Lubricating oil and process of making same,申请号US19280278908-传众专利搜索

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发明名称	Lubricating oil and process of making same
摘要
申请公布号	US1808853(A)	申请公布日期	1931.06.09
申请号	US19280278908	申请日期	1928.05.18
申请人	GULF REFINING COMPANY	发明人	LIVINGSTONE CLARENCE JAMES;GRUSE WILLIAM A.
分类号		主分类号
代理机构		代理人
主权项
地址

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