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Extrusion process
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Patent number 9,776,354
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Issue date Oct 3, 2017
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American Maplan Corporation
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Heinrich Dohmann
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extrusion head with high volume reservoir
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Patent number 8,936,460
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Issue date Jan 20, 2015
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American Maplan Corporation
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John Michael Wallen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Multiple spider head
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Patent number 8,758,003
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Issue date Jun 24, 2014
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American Maplan Corporation
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John Michael Wallen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Swept leg spider for an extrusion apparatus
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Patent number 8,333,580
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Issue date Dec 18, 2012
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American Maplan Corporation
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John Michael Wallen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Swept leg spider for an extrusion apparatus
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Patent number 8,096,799
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Issue date Jan 17, 2012
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American Maplan Corporation
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John Michael Wallen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Pipe support system
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Patent number 7,758,331
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Issue date Jul 20, 2010
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American Maplan Corporation
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Heinrich Dohmann
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Spiral-webbed mandrel
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Patent number 7,588,708
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Issue date Sep 15, 2009
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American Maplan Corporation
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Heinrich Dohmann
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Double-webbed mandrel
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Patent number 7,329,116
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Issue date Feb 12, 2008
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American Maplan Corporation
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Heinrich Dohman
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method and system for dual co-extrusion
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Patent number 7,122,141
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Issue date Oct 17, 2006
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American Maplan Corporation
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Hans Gröeblacher
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Spiral-webbed mandrel
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Patent number 7,077,639
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Issue date Jul 18, 2006
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American Maplan Corporation
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Heinrich Dohmann
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Adjustable sizing tube
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Patent number 6,946,094
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Issue date Sep 20, 2005
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American Maplan Corporation
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Rodney L. Shober
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method and system for dual co-extrusion
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Patent number 6,793,474
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Issue date Sep 21, 2004
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American Maplan Corporation
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Hans Groeblacher
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Double-screw extruder
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Patent number 5,628,560
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Issue date May 13, 1997
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American Maplan Corporation
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Horst Eigruber
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Rotary turret embosser
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Patent number 5,198,242
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Issue date Mar 30, 1993
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American Maplan Corporation
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Hans Groeblacher
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Triwall siding apparatus
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Patent number 4,911,628
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Issue date Mar 27, 1990
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American Maplan Corporation
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Peter Heilmayr
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Siding die
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Patent number 4,874,306
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Issue date Oct 17, 1989
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American Maplan Corporation
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Kenton Gearhart
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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-
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Triple-wall foam coextrusion apparatus
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Patent number 4,846,648
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Issue date Jul 11, 1989
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American Maplan Corporation
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Steven E. Spence
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Triple-wall foam coextrusion apparatus
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Patent number 4,731,002
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Issue date Mar 15, 1988
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American Maplan Corporation
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Steven E. Spence
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Apparatus for testing plastic compositions
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Patent number 4,541,270
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Issue date Sep 17, 1985
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American Maplan Corporation
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Wilhelm Hanslik
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extruder provided with preheating stage
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Patent number 4,487,508
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Issue date Dec 11, 1984
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American Maplan Corporation
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Heinz Ratheiser
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Double-worm extrusion press
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Patent number 4,408,888
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Issue date Oct 11, 1983
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American Maplan Corporation
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Wilhelm Hanslik
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Preheated extruder
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Patent number 4,385,883
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Issue date May 31, 1983
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American Maplan Corporation
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Wilhelm Hanslik
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Swept Leg Spider For An Extrusion Apparatus
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Publication number 20120119409
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Publication date May 17, 2012
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American Maplan Corporation
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John Michael Wallen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extrusion Head With High Volume Reservoir
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Publication number 20110095450
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Publication date Apr 28, 2011
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American Maplan Corporation
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John Michael Wallen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Multiple Spider Head
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Publication number 20110095449
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Publication date Apr 28, 2011
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American Maplan Corporation
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John Michael Wallen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extrusion die
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Publication number 20050206031
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Publication date Sep 22, 2005
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American Maplan Corporation
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Hans Groeblacher
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method and system for dual co-extrusion
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Publication number 20050006810
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Publication date Jan 13, 2005
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American Maplan Corporation
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Hans Groeblacher
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Double-webbed mandrel
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Publication number 20040119195
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Publication date Jun 24, 2004
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American Maplan Corporation
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Heinrich Dohmann
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Adjustable sizing tube
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Publication number 20040041300
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Publication date Mar 4, 2004
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American Maplan Corporation
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Rodney L. Shober
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Spiral-webbed mandrel
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Publication number 20030222375
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Publication date Dec 4, 2003
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American Maplan Corporation
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Heinrich Dohmann
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Independent X/Y flow adjustable extrusion die
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Publication number 20020109259
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Publication date Aug 15, 2002
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American Maplan Corporation
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Hans Groeblacher
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL