Improvements in dye compositions,申请号GB19420012221-传众专利搜索

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发明名称	Improvements in dye compositions
摘要
申请公布号	GB559859(A)	申请公布日期	1944.03.08
申请号	GB19420012221	申请日期	1942.08.31
申请人	BRITISH KAUMAGRAPH TRANSFERS, LIMITED	发明人
分类号	C09B67/42;D06P5/24	主分类号	C09B67/42
代理机构		代理人
主权项
地址

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