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发明名称
ORE CHUTE
摘要
申请公布号
SU840402(A1)
申请公布日期
1981.06.23
申请号
SU19792767473
申请日期
1979.04.16
申请人
INST GORNOGO DELA AN KAZAKHSKOJ SSR
发明人
IBRAEV BULAT SH,SU;BUKTUKOV NIKOLAJ S,SU;BATUEV VALERIJ V,SU
分类号
E21F13/00;(IPC1-7):E21F13/00
主分类号
E21F13/00
代理机构
代理人
主权项
地址
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