Apparatus for driving well points,申请号US19590804522-传众专利搜索

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发明名称	Apparatus for driving well points
摘要
申请公布号	US2983323(A)	申请公布日期	1961.05.09
申请号	US19590804522	申请日期	1959.04.06
申请人	WHITNEY CLARENCE K	发明人	WHITNEY CLARENCE K.
分类号	E03B3/12;E21B1/02;E21B7/26	主分类号	E03B3/12
代理机构		代理人
主权项
地址

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