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Apparatus for cutting off a tear-open strip
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Patent number 4,648,299
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Issue date Mar 10, 1987
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Maschinenfabrik Alfred Schmermund GmbH & Co.
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Knecht Siegfried
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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3909330
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Patent number 3,909,330
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Issue date Sep 30, 1975
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3266968
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Patent number 3,266,968
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Issue date Aug 16, 1966
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2865261
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Patent number 2,865,261
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Issue date Dec 23, 1958
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2739512
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Patent number 2,739,512
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Issue date Mar 27, 1956
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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2105726
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Patent number 2,105,726
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Issue date Jan 18, 1938
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD