Devices for supplying fluid to a drilling tool,申请号US19620187071-传众专利搜索

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发明名称	Devices for supplying fluid to a drilling tool
摘要
申请公布号	US3170525(A)	申请公布日期	1965.02.23
申请号	US19620187071	申请日期	1962.04.12
申请人	ATLAS COPCO AKTIEBOLAG	发明人	KVELLO-AUNE ALF GUNNAR
分类号	E21B21/00	主分类号	E21B21/00
代理机构		代理人
主权项
地址

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