Coloration of materials,申请号US19390295910-传众专利搜索

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发明名称	Coloration of materials
摘要
申请公布号	US2255130(A)	申请公布日期	1941.09.09
申请号	US19390295910	申请日期	1939.09.21
申请人	CELANESE CORPORATION OF AMERICA	发明人	SEYMOUR GEORGE W.;WARD GEORGE C.
分类号	D06P3/44;D06P5/15	主分类号	D06P3/44
代理机构		代理人
主权项
地址

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