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-
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3499694
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Patent number 3,499,694
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Issue date Mar 10, 1970
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3450276
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Patent number 3,450,276
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Issue date Jun 17, 1969
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2580224
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Patent number 2,580,224
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Issue date Dec 25, 1951
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2181357
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Patent number 2,181,357
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Issue date Nov 28, 1939
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL