Improvements in zinc ferrite pigment,申请号GB19550033249-传众专利搜索

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发明名称	Improvements in zinc ferrite pigment
摘要
申请公布号	GB790949(A)	申请公布日期	1958.02.19
申请号	GB19550033249	申请日期	1955.11.21
申请人	COLUMBIAN CARBON COMPANY	发明人
分类号	C09C1/22	主分类号	C09C1/22
代理机构		代理人
主权项
地址

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