DEVICE FOR DRILLING HOLES WITH ENLARGEMENTS FOR CAST-IN-PLACE PILES,申请号SU19792733165-传众专利搜索

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发明名称	DEVICE FOR DRILLING HOLES WITH ENLARGEMENTS FOR CAST-IN-PLACE PILES
摘要
申请公布号	SU817146(A2)	申请公布日期	1981.03.30
申请号	SU19792733165	申请日期	1979.03.06
申请人	PK BYURO MINISTERSTVA SELSKOGO STROITELSTVA BRUSS SSR	发明人	BIENKO VLADISLAV N,SU;VARUSHCHENKO VLADIMIR P,SU;SOROKIN VLADIMIR ,SU;SOUS VLADIMIR V,SU
分类号	E21B7/28;(IPC1-7):E02D17/14;E02D17/14	主分类号	E21B7/28
代理机构		代理人
主权项
地址

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