PROCESS FOR THE PREPARATION OF POLYQUINAZOLONES,申请号USD3444136-传众专利搜索

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发明名称	PROCESS FOR THE PREPARATION OF POLYQUINAZOLONES
摘要
申请公布号	US3444136(A)	申请公布日期	1969.05.13
申请号	USD3444136	申请日期	1967.11.01
申请人	CELANESE CORP.	发明人	LEO R. BELOHLAV;JOHN R. COSTANZA
分类号	C08G73/06;(IPC1-7):C08G20/32	主分类号	C08G73/06
代理机构		代理人
主权项
地址

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