CORE DRILLING TOOL,申请号SU19884488989-传众专利搜索

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发明名称	CORE DRILLING TOOL
摘要
申请公布号	SU1596065(A1)	申请公布日期	1990.09.30
申请号	SU19884488989	申请日期	1988.09.29
申请人	PROIZV GEOLOGICHESKOE OB TS RAJONOV "TSENTRGEOLOGIYA"	发明人	TOLOKNOV IGOR I,SU;SAVINKIN ALEKSANDR A,SU;SILAKOV ALEKSANDR V,SU;VOSTROVA TATYANA A,SU;SHIPOV VASILIJ M,SU
分类号	E21B25/00	主分类号	E21B25/00
代理机构		代理人
主权项
地址

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