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发明名称
APPARATUS FOR REMOTE CONTROL OF MECHANISED ROOF SUPPORT SECTION
摘要
申请公布号
SU855226(A1)
申请公布日期
1981.08.15
申请号
SU19752117088
申请日期
1975.03.24
申请人
VILTOVSKIJ LEV V,SU
发明人
VILTOVSKIJ LEV V,SU
分类号
E21D23/12;(IPC1-7):E21D23/12
主分类号
E21D23/12
代理机构
代理人
主权项
地址
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