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发明名称
METHOD OF BYPASSING ROCK FROM QUARRY STEPS
摘要
申请公布号
SU605000(A1)
申请公布日期
1978.04.30
申请号
SU19762349333
申请日期
1976.04.17
申请人
KADZHARANSKIJ MEDNO-MOLIBDENOVYJ KOMBINAT
发明人
MKRTCHYAN BORIK ,SU;VOSKANYAN GAMLET M,SU;PETROSYAN FRUNZE A,SU;KAZAKOV NIKOLAJ N,SU
分类号
E21C41/00;(IPC1-7):E21C41/00
主分类号
E21C41/00
代理机构
代理人
主权项
地址
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