DRILLING RIG FEED MECHANISM,申请号SU19843730749-传众专利搜索

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发明名称	DRILLING RIG FEED MECHANISM
摘要
申请公布号	SU1167317(A1)	申请公布日期	1985.07.15
申请号	SU19843730749	申请日期	1984.04.18
申请人	DO GPKEXI KOMPLEX MEKH SHAKHT	发明人	RADZIVILOVICH LEONID L,SU
分类号	E21B19/083;(IPC1-7):E21C5/00	主分类号	E21B19/083
代理机构		代理人
主权项
地址

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