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发明名称
Gleitbogenausbau aus geflanschten Rinnenprofilen
摘要
申请公布号
DE1012883(B)
申请公布日期
1957.08.01
申请号
DE1937B041897D
申请日期
1937.10.04
申请人
BOCHUMER EISENHUETTE HEINTZMANN & CO.
发明人
BACHMANN GEORG
分类号
E21D11/20
主分类号
E21D11/20
代理机构
代理人
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