Improvements relating to the production of color lakes,申请号GB19480022054-传众专利搜索

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发明名称	Improvements relating to the production of color lakes
摘要
申请公布号	GB667765(A)	申请公布日期	1952.03.05
申请号	GB19480022054	申请日期	1948.08.20
申请人	NATIONAL LEAD COMPANY	发明人
分类号	C09B69/04	主分类号	C09B69/04
代理机构		代理人
主权项
地址

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