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发明名称
POWER ROOF SUPPORT UNIT
摘要
申请公布号
SU994759(A1)
申请公布日期
1983.02.07
申请号
SU19813341461
申请日期
1981.09.23
申请人
RAKHMANOV NIKOLAJ N
发明人
RAKHMANOV NIKOLAJ N,SU
分类号
E21D23/04;(IPC1-7):E21D23/04
主分类号
E21D23/04
代理机构
代理人
主权项
地址
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