Patent classifications
C
CHEMISTRY; METALLURGY
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C14
SKINS; HIDES; PELTS; LEATHER
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C14C
CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
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1/00
Chemical treatment prior to tanning
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C14C1/06
Facilitating unhairing, e.g. by painting, by liming
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