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Apparatus for forming a gasket
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Patent number 6,056,527
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Issue date May 2, 2000
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Michael H. Bunyan
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Vacuum kneading and extruding apparatus
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Patent number 5,589,203
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Issue date Dec 31, 1996
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Sato Iron Works Co., Ltd.
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Takuya Sato
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Homogenizer for viscous materials
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Patent number 4,124,307
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Issue date Nov 7, 1978
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Fried. Krupp GmbH
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Ladislav Anisic
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3530534
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Patent number 3,530,534
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Issue date Sep 29, 1970
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3335461
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Patent number 3,335,461
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Issue date Aug 15, 1967
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3209408
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Patent number 3,209,408
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Issue date Oct 5, 1965
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL