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发明名称
Stahlbetonbalken
摘要
申请公布号
DE1609701(B1)
申请公布日期
1971.01.21
申请号
DE19661609701
申请日期
1966.05.23
申请人
I S KAEHLERS TEGLVAERK
发明人
KAEHLER OTTO
分类号
E04C3/20;(IPC1-7):E04C2/50
主分类号
E04C3/20
代理机构
代理人
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