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发明名称
SUPPORT DEVICE FOR ROCK DRILL ARM
摘要
申请公布号
SU1239306(A1)
申请公布日期
1986.06.23
申请号
SU19843838634
申请日期
1984.10.31
申请人
TS P KT BYURO MINISTERSTVA TSVETNOJ METALLURGII KAZSSR
发明人
LIKHATKOV ALEKSANDR I,SU
分类号
E21B15/00;E21D9/10
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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