Preparation of artificial resin compression mixtures,申请号US19310525332-传众专利搜索

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发明名称	Preparation of artificial resin compression mixtures
摘要
申请公布号	US2071523(A)	申请公布日期	1937.02.23
申请号	US19310525332	申请日期	1931.03.25
申请人	RICHARD HESSEN	发明人	HESSEN RICHARD
分类号	C08J3/20	主分类号	C08J3/20
代理机构		代理人
主权项
地址

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