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经营范围
发明名称
METHOD OF AVERAGING ROCK MASS
摘要
申请公布号
SU1346788(A1)
申请公布日期
1987.10.23
申请号
SU19843773631
申请日期
1984.07.19
申请人
ARMYANSKIJ NII TSVETNOJ METALLURGII
发明人
SARGSYAN EDIK S,SU;PETROSYAN FRUNZE A,SU;ADIBEKYAN ALBERT KH,SU;ABEGYAN TSOLAK KH,SU;MANASYAN SULTAN G,SU
分类号
E21C41/00
主分类号
E21C41/00
代理机构
代理人
主权项
地址
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