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发明名称
POWERED PNEUMATIC SUPPORT
摘要
申请公布号
RU1813879(C)
申请公布日期
1993.05.07
申请号
SU19894680082
申请日期
1989.02.24
申请人
LENINGRADSKIJ GORNYJ INSTITUT IM.G.V.PLEKHANOVA;LENINGRADSKIJ PROEKTNYJ INSTITUT "GIPROSHAKHT"
发明人
BREGMAN MIKHAIL L;OVCHARENKO GRIGORIJ V;CHOLAK EDUARD O;SHEVCHENKO ALEKSANDR A
分类号
E21D23/00;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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