DEVICE FOR DRILLING ASCENDING BLAST HOLES,申请号SU19853894626-传众专利搜索

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发明名称	DEVICE FOR DRILLING ASCENDING BLAST HOLES
摘要
申请公布号	SU1260512(A2)	申请公布日期	1986.09.30
申请号	SU19853894626	申请日期	1985.05.06
申请人	INST GORNOGO DELA AN KAZAKHSK	发明人	ZHIKHOR EVGENIJ A,SU;ROGOV EVGENIJ I,SU
分类号	E21B19/081;E21B3/02	主分类号	E21B19/081
代理机构		代理人
主权项
地址

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