Inorganic chrome pigment production,申请号US19370155230-传众专利搜索

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发明名称	Inorganic chrome pigment production
摘要
申请公布号	US2212917(A)	申请公布日期	1940.08.27
申请号	US19370155230	申请日期	1937.07.23
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	HORNING SAMUEL C.
分类号	C09C1/20;C09C3/06	主分类号	C09C1/20
代理机构		代理人
主权项
地址

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