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Spool weight
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Patent number 4,079,897
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Issue date Mar 21, 1978
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Edward M. Barrow
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Yarn winding bobbin
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Patent number 3,949,950
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Issue date Apr 13, 1976
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M. Scaglia S.p.A.
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Loredana Brovelli
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2678778
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Patent number 2,678,778
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Issue date May 18, 1954
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1627518
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Patent number 1,627,518
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Issue date May 3, 1927
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL