METHOD OF FORMING AXIAL LOAD UPON BIT IN WELL-DRILLING,申请号SU19853842165-传众专利搜索

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发明名称	METHOD OF FORMING AXIAL LOAD UPON BIT IN WELL-DRILLING
摘要
申请公布号	SU1265295(A1)	申请公布日期	1986.10.23
申请号	SU19853842165	申请日期	1985.01.09
申请人	VNII BUROVOJ TEKHNIKI	发明人	AVETOV RAFIK V,SU;YASASHIN ANATOLIJ M,SU;TSYRIN YURIJ Z,SU;BAGRINTSEV MIKHAIL I,SU
分类号	E21B45/00	主分类号	E21B45/00
代理机构		代理人
主权项
地址

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