APPARATUS FOR ROTARY UNDERWATER DRILLING,申请号SU19833661836-传众专利搜索

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发明名称	APPARATUS FOR ROTARY UNDERWATER DRILLING
摘要
申请公布号	SU1139818(A1)	申请公布日期	1985.02.15
申请号	SU19833661836	申请日期	1983.11.11
申请人	TIKHOOKEANSKIJ OKEANOLOGICHESKIJ I DALNEVOSTOCHNOGO NAUCHNOGO TSENTRA AN SSSR	发明人	MATVEEV VALERIJ V,SU;MATVEEV YURIJ V,SU
分类号	E21B7/12;E21B3/02;(IPC1-7):E21B7/12	主分类号	E21B7/12
代理机构		代理人
主权项
地址

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