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Tanning method
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Patent number 4,443,221
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Issue date Apr 17, 1984
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Rohm GmbH
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Max May
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C14 - SKINS HIDES PELTS LEATHER
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Tanning method
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Patent number 4,398,911
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Issue date Aug 16, 1983
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Rohm GmbH
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Max May
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C14 - SKINS HIDES PELTS LEATHER
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Soaking method
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Patent number 4,344,762
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Issue date Aug 17, 1982
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Rohm GmbH
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Rolf Monsheimer
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C14 - SKINS HIDES PELTS LEATHER
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Soaking method
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Patent number 4,314,801
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Issue date Feb 9, 1982
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Rohm GmbH
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Rolf Monsheimer
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C14 - SKINS HIDES PELTS LEATHER
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Soaking method
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Patent number 4,278,432
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Issue date Jul 14, 1981
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Rohm GmbH
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Rolf Monsheimer
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C14 - SKINS HIDES PELTS LEATHER
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Enzymatic bating method
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Patent number 4,273,876
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Issue date Jun 16, 1981
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Rohm GmbH
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Rolf Monsheimer
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C14 - SKINS HIDES PELTS LEATHER
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