Asphalt to duplicate rapid setting coal tars,申请号US19310546435-传众专利搜索

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发明名称	Asphalt to duplicate rapid setting coal tars
摘要
申请公布号	US2025709(A)	申请公布日期	1935.12.31
申请号	US19310546435	申请日期	1931.06.23
申请人	STANDARD OIL DEVELOPMENT COMPANY	发明人	BASKIN CHARLES M.
分类号	C10C3/00	主分类号	C10C3/00
代理机构		代理人
主权项
地址

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