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Opening arrangement
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Patent number 5,364,019
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Issue date Nov 15, 1994
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Tetra Laval Holdings & Finance SA
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Bengt Bjorck
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3499260
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Patent number 3,499,260
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Issue date Mar 10, 1970
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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3458377
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Patent number 3,458,377
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Issue date Jul 29, 1969
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3411968
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Patent number 3,411,968
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Issue date Nov 19, 1968
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3409206
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Patent number 3,409,206
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Issue date Nov 5, 1968
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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3252385
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Patent number 3,252,385
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Issue date May 24, 1966
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3251917
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Patent number 3,251,917
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Issue date May 17, 1966
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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2984958
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Patent number 2,984,958
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Issue date May 23, 1961
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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2536529
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Patent number 2,536,529
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Issue date Jan 2, 1951
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD