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发明名称
FITTING
摘要
申请公布号
SU649868(A2)
申请公布日期
1979.02.28
申请号
SU19772525707
申请日期
1977.06.06
申请人
SVERDLOVSKIJ GORNYJ I IM. V.V. VAKHRUSHEVA
发明人
ANTROPOV IVAN S,SU;GOLUBEV SERGEJ ,SU
分类号
E21F15/08;(IPC1-7):E21F15/08
主分类号
E21F15/08
代理机构
代理人
主权项
地址
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