Process of making asphalt,申请号US19340733252-传众专利搜索

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发明名称	Process of making asphalt
摘要
申请公布号	US2002670(A)	申请公布日期	1935.05.28
申请号	US19340733252	申请日期	1934.06.30
申请人	THE STANDARD OIL COMPANY	发明人	MCCONNELL ELLIOTT B.
分类号	C10C3/04	主分类号	C10C3/04
代理机构		代理人
主权项
地址

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