APPARATUS FOR DRILLING BLAST-HOLES,申请号SU19833584431-传众专利搜索

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发明名称	APPARATUS FOR DRILLING BLAST-HOLES
摘要
申请公布号	SU1121420(A1)	申请公布日期	1984.10.30
申请号	SU19833584431	申请日期	1983.02.21
申请人	VNII NERUDNYKH STROITELNYKH MATERIALOV GIDROMEKHANIZATSII	发明人	LEBEDEV MIKHAIL A,SU;RACHINSKIJ ALEKSANDR B,SU;KRASAVINA GALINA I,SU
分类号	E21B15/00;(IPC1-7):E21C11/02	主分类号	E21B15/00
代理机构		代理人
主权项
地址

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