Production of finely divided pigment substances,申请号US19390283355-传众专利搜索

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发明名称	Production of finely divided pigment substances
摘要
申请公布号	US2274521(A)	申请公布日期	1942.02.24
申请号	US19390283355	申请日期	1939.07.08
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	BERRY CHARLES EDWARD
分类号	C09C3/00	主分类号	C09C3/00
代理机构		代理人
主权项
地址

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