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经营范围
发明名称
Ausbaurahmen fuer Grubenbetriebe, Tunnelbauten od. dgl.
摘要
申请公布号
DE1010031(B)
申请公布日期
1957.06.13
申请号
DE1955B037833
申请日期
1955.11.08
申请人
BERGBAUSTAHL G.M.B.H.
发明人
JASPER KARL THEODOR
分类号
E21D11/20
主分类号
E21D11/20
代理机构
代理人
主权项
地址
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