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Method for joining spiral wound pipes
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Patent number 6,322,653
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Issue date Nov 27, 2001
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Oy Kwh Pipe Ab
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Gunnar Blomqvist
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method of fabricating a molding
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Patent number 5,876,656
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Issue date Mar 2, 1999
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Toyota Gosei Co., Ltd.
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Shinichi Goto
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extrusion method and apparatus
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Patent number 5,387,386
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Issue date Feb 7, 1995
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Kari Kirjavainen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Road vehicle tire manufacturing method
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Patent number 5,384,084
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Issue date Jan 24, 1995
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Bridgestone Corporation
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Karl J. Siegenthaler
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Treatment of waste
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Patent number 5,240,656
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Issue date Aug 31, 1993
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Plastics Densification, Inc.
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David J. Scheeres
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL