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3152719
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Patent number 3,152,719
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Issue date Oct 13, 1964
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2797845
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Patent number 2,797,845
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Issue date Jul 2, 1957
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2747766
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Patent number 2,747,766
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Issue date May 29, 1956
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2747767
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Patent number 2,747,767
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Issue date May 29, 1956
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2658659
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Patent number 2,658,659
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Issue date Nov 10, 1953
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL