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Double-twist apparatus
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Patent number 3,991,546
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Issue date Nov 16, 1976
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Hamel GmbH Zwirnmaschinen
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Siegfried Scherf
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3447101
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Patent number 3,447,101
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Issue date May 27, 1969
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3092341
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Patent number 3,092,341
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Issue date Jun 4, 1963
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2736505
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Patent number 2,736,505
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Issue date Feb 28, 1956
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2386822
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Patent number 2,386,822
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Issue date Oct 16, 1945
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2289602
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Patent number 2,289,602
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Issue date Jul 14, 1942
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2250083
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Patent number 2,250,083
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Issue date Jul 22, 1941
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2134017
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Patent number 2,134,017
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Issue date Oct 25, 1938
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1452924
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Patent number 1,452,924
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Issue date Apr 24, 1923
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL