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发明名称
HYDRAULIC SUPPORT
摘要
申请公布号
SU1548459(A1)
申请公布日期
1990.03.07
申请号
SU19884424671
申请日期
1988.05.13
申请人
KARAGANDINSKOE OB PO PROIZV GORNOSHAKHTNOGO OBORU "KARGORMASH"
发明人
YAKOVLEV VITALIJ I,SU;TAURBAEV KUDAJBERGEN K,SU;PANCHUK EVGENIJ I,SU
分类号
E21D23/16;E21D15/44
主分类号
E21D23/16
代理机构
代理人
主权项
地址
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