CLOSED LOOP DRILL FEED SYSTEM,申请号AU19900052379-传众专利搜索

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发明名称	CLOSED LOOP DRILL FEED SYSTEM
摘要
申请公布号	AU636877(B2)	申请公布日期	1993.05.13
申请号	AU19900052379	申请日期	1990.03.29
申请人	INGERSOLL-RAND COMPANY	发明人	JEFFREY W. HAMNER;GEORGE P. SCHIVLEY
分类号	B23B47/22;E21B19/086	主分类号	B23B47/22
代理机构		代理人
主权项
地址

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