Aromatic sulphones and tanning agents,申请号US19360095283-传众专利搜索

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发明名称	Aromatic sulphones and tanning agents
摘要
申请公布号	US2122958(A)	申请公布日期	1938.07.05
申请号	US19360095283	申请日期	1936.08.10
申请人	J.R. GEIGY A.G.	发明人	SCHAFER JOSEF
分类号	C14C3/08	主分类号	C14C3/08
代理机构		代理人
主权项
地址

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