Process of manufacturing a synthetic resin from red oil, a coaltar distillate,申请号US19460639150-传众专利搜索

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发明名称	Process of manufacturing a synthetic resin from red oil, a coaltar distillate
摘要
申请公布号	US2487309(A)	申请公布日期	1949.11.08
申请号	US19460639150	申请日期	1946.01.04
申请人	SOCIETE GENERALE DES HUILES DE PETROLE	发明人	CHAMPAGNAT ALFRED;WILLER ROBERT
分类号	C08G8/28	主分类号	C08G8/28
代理机构		代理人
主权项
地址

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