BUCKET-TYPE DRILL,申请号SU19914785864-传众专利搜索

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发明名称	BUCKET-TYPE DRILL
摘要
申请公布号	SU1754869(A1)	申请公布日期	1992.08.15
申请号	SU19914785864	申请日期	1991.01.25
申请人	KI INZH-STR INSTITUT	发明人	KRUPKO VIKTOR A,SU;GOLOVAN VASILIJ P,SU;VOLTERS ALEKSANDR YU,SU;DONDUKOV ALEKSANDR D,SU;SMIRNOV VYACHESLAV N,SU;SOSEVICH YURIJ V,SU
分类号	E21B7/24;E21B25/00	主分类号	E21B7/24
代理机构		代理人
主权项
地址

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