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Process for deep drawing plastic foils
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Patent number 5,080,853
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Issue date Jan 14, 1992
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Schmalbach-Lubeca AG
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Gunter Hexel
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Compartmented easy open package
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Patent number 5,042,681
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Issue date Aug 27, 1991
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Schmalbach-Lubeca AG
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Georg Bolte
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Easy-open package with cover tab
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Patent number 5,022,551
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Issue date Jun 11, 1991
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Schmalbach-Lubeca AG
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Gunter Hexel
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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