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Protein fibres
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Patent number 4,118,520
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Issue date Oct 3, 1978
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Thomas J. Lipton, Inc.
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Johannes Visser
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2338915
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Patent number 2,338,915
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Issue date Jan 11, 1944
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2338916
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Patent number 2,338,916
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Issue date Jan 11, 1944
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2338917
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Patent number 2,338,917
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Issue date Jan 11, 1944
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING