METHOD OF OBTAINING A BLACK SPINEL PIGMENT,申请号PL19870269285-传众专利搜索

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发明名称	METHOD OF OBTAINING A BLACK SPINEL PIGMENT
摘要
申请公布号	PL152732(B1)	申请公布日期	1991.01.31
申请号	PL19870269285	申请日期	1987.12.04
申请人		发明人
分类号	C09C;C09C1/00;(IPC1-7):C09C1/00	主分类号	C09C
代理机构		代理人
主权项
地址

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