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Screw cap of thermoplastics material
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Patent number 5,160,687
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Issue date Nov 3, 1992
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Alplast S.p.A.
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Mario Margaria
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Tamper-evident closure
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Patent number 4,984,701
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Issue date Jan 15, 1991
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Alplast S.p.A.
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Mario Margaria
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Closure applying apparatus
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Patent number 4,905,447
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Issue date Mar 6, 1990
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Alplast S.p.A.
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Mario Margaria
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...