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Closing of filled capsules
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Patent number 4,576,284
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Issue date Mar 18, 1986
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Warner-Lambert Company
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Fritz Wittwer
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Container and sealed closure means
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Patent number 4,529,100
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Issue date Jul 16, 1985
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A/S Haustrup Plastic
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Ole Ingemann
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3880695
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Patent number 3,880,695
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Issue date Apr 29, 1975
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL