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2117387
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Patent number 2,117,387
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Issue date May 17, 1938
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2038860
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Patent number 2,038,860
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Issue date Apr 28, 1936
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2018045
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Patent number 2,018,045
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Issue date Oct 22, 1935
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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1555385
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Patent number 1,555,385
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Issue date Sep 29, 1925
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING