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发明名称
MINE ROOF SUPPORT PROP
摘要
申请公布号
SU712504(A1)
申请公布日期
1980.01.30
申请号
SU19782654343
申请日期
1978.08.08
申请人
VNI GORNO-METALLURGICHESKIJ I TSVETNYKH METALLOV
发明人
MIKHAJLOV VIKTOR V,SU;REJSH ALFRED T,SU;ORT VLADIMIR G,SU
分类号
E21D15/18;(IPC1-7):E21D15/18
主分类号
E21D15/18
代理机构
代理人
主权项
地址
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