DEVICE FOR THERMOMECHANICAL DRILLING OF HOLES,申请号SU19884432144-传众专利搜索

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发明名称	DEVICE FOR THERMOMECHANICAL DRILLING OF HOLES
摘要
申请公布号	SU1627638(A1)	申请公布日期	1991.02.15
申请号	SU19884432144	申请日期	1988.04.11
申请人	SP KT BYURO I GEOTEKHNICHESKOJ MEKHANIKI AN USSR	发明人	GALYAS ALEKSANDR A,SU;ANTONCHIK VLADIMIR E,SU;TROKHIMETS NIKOLAJ YA,SU;DEMCHENKO VYACHESLAV S,SU
分类号	E21B7/14;E21C37/16	主分类号	E21B7/14
代理机构		代理人
主权项
地址

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