DEVICE FOR DRILLING BOREHOLE,申请号SU19884366037-传众专利搜索

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发明名称	DEVICE FOR DRILLING BOREHOLE
摘要
申请公布号	SU1566006(A1)	申请公布日期	1990.05.23
申请号	SU19884366037	申请日期	1988.01.14
申请人	NOVOSIBIRSKOE OTDEL VGNI PROEKTNO-IZYSKATELSKOGO I "TEPLOELEKTROPROEKT"	发明人	PRIVALENKO ANATOLIJ V,SU;NOSIKOV GEORGIJ M,SU
分类号	E21B7/26	主分类号	E21B7/26
代理机构		代理人
主权项
地址

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