Lubricant,申请号US19390309828-传众专利搜索

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发明名称	Lubricant
摘要
申请公布号	US2220970(A)	申请公布日期	1940.11.12
申请号	US19390309828	申请日期	1939.12.18
申请人	STANDARD OIL COMPANY	发明人	LOANE CLARENCE M.;SHOEMAKER BERNARD H.
分类号		主分类号
代理机构		代理人
主权项
地址

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