Well drilling compositions and process of manufacture,申请号US19580749646-传众专利搜索

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发明名称	Well drilling compositions and process of manufacture
摘要
申请公布号	US3027323(A)	申请公布日期	1962.03.27
申请号	US19580749646	申请日期	1958.07.21
申请人	NATIONAL LEAD COMPANY	发明人	STUCHELL HARRY S.;JORDAN JOHN W.;OFFEMAN RICHARD E.
分类号	C09K8/05	主分类号	C09K8/05
代理机构		代理人
主权项
地址

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