Compound of the diphenyl methane series and process of preparing the same,申请号US19280290027-传众专利搜索

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发明名称	Compound of the diphenyl methane series and process of preparing the same
摘要
申请公布号	US1916215(A)	申请公布日期	1933.07.04
申请号	US19280290027	申请日期	1928.07.02
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	GUBELMANN IVAN;WEILAND HENRY J.;STALLMANN OTTO
分类号		主分类号
代理机构		代理人
主权项
地址

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