Method and means for cementing oil wells,申请号US19280328715-传众专利搜索

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发明名称	Method and means for cementing oil wells
摘要
申请公布号	US1758156(A)	申请公布日期	1930.05.13
申请号	US19280328715	申请日期	1928.12.27
申请人	HUBER FREDERICK W	发明人	HUBER FREDERICK W.
分类号	E21B33/134	主分类号	E21B33/134
代理机构		代理人
主权项
地址

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