AROMATIC POLYNUCLEAR POLYCARBOXYLIC ACID AND PROCESS OF MAKING THEM,申请号CAD464012-传众专利搜索

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发明名称	AROMATIC POLYNUCLEAR POLYCARBOXYLIC ACID AND PROCESS OF MAKING THEM
摘要
申请公布号	CA464012(A)	申请公布日期	1950.03.28
申请号	CAD464012	申请日期
申请人	I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT;SECRETARY OF STATE OF CANADA;GENERAL ANILINE AND FILM CORPORATION;CHEMICAL DEVELOPMENTS OF CANADA LIMITED	发明人	HUBERT ECK;HEINRICH RINKE;RUDOLF SCHROTER
分类号		主分类号
代理机构		代理人
主权项
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