DEVICE FOR PIERCING WELLS IN GROUND,申请号SU19813286384-传众专利搜索

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发明名称	DEVICE FOR PIERCING WELLS IN GROUND
摘要
申请公布号	SU972353(A1)	申请公布日期	1982.11.07
申请号	SU19813286384	申请日期	1981.04.30
申请人	INST GORNOGO DELA SO AN SSSR	发明人	GURKOV KONSTANTIN S,SU;POTAPOV NIKOLAJ P,SU;TKACHENKO GENNADIJ A,SU;LEONOV IVAN P,SU
分类号	E02F5/18;(IPC1-7):E02F5/18	主分类号	E02F5/18
代理机构		代理人
主权项
地址

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