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经营范围
发明名称
ROCK-BREAKING TOOL
摘要
申请公布号
SU575419(A1)
申请公布日期
1977.10.05
申请号
SU19752182582
申请日期
1975.10.08
申请人
SVERDLOVSKIJ GORNYJ I IM.V.V.VAKHRUSHEVA
发明人
CHELYSHEV VLADIMIR L,SU;EJNGORN STANISLAV G,SU
分类号
E21C25/18;(IPC1-7):E21C25/18
主分类号
E21C25/18
代理机构
代理人
主权项
地址
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