PRODUCTION OF IRON OXIDE PIGMENTS,申请号USD3619137-传众专利搜索

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发明名称	PRODUCTION OF IRON OXIDE PIGMENTS
摘要
申请公布号	US3619137(A)	申请公布日期	1971.11.09
申请号	USD3619137	申请日期	1969.01.16
申请人	PFIZER INC.	发明人	ERIC G. RATCLIFFE
分类号	C01G49/06;C09C1/24;(IPC1-7):C01G49/02;C22B3/00	主分类号	C01G49/06
代理机构		代理人
主权项
地址

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