Rock drill pipe storage and handling device,申请号US19630264211-传众专利搜索

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发明名称	Rock drill pipe storage and handling device
摘要
申请公布号	US3185310(A)	申请公布日期	1965.05.25
申请号	US19630264211	申请日期	1963.03.11
申请人	INGERSOLL-RAND COMPANY	发明人	KLEM CARL T.
分类号	E21B19/20	主分类号	E21B19/20
代理机构		代理人
主权项
地址

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