Analysis of soil samples for determining oil content,申请号US19400334341-传众专利搜索

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发明名称	Analysis of soil samples for determining oil content
摘要
申请公布号	US2311151(A)	申请公布日期	1943.02.16
申请号	US19400334341	申请日期	1940.05.10
申请人	RALPH H. FASH	发明人	CAMPBELL JOHN G.
分类号	G01N21/64	主分类号	G01N21/64
代理机构		代理人
主权项
地址

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