Tanning agents and process of producing them,申请号US19370151453-传众专利搜索

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发明名称	Tanning agents and process of producing them
摘要
申请公布号	US2179038(A)	申请公布日期	1939.11.07
申请号	US19370151453	申请日期	1937.07.01
申请人	I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人	GUTHKE FRIEDRICH WILHELM
分类号	C14C3/20	主分类号	C14C3/20
代理机构		代理人
主权项
地址

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