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发明名称
Anordnung von ovalen gerippten Betonstaehlen zur Konzentrierung der Vorspannkraefte
摘要
申请公布号
DE1684295(A1)
申请公布日期
1969.12.04
申请号
DE19661684295
申请日期
1966.07.28
申请人
INSTITUT FUER STAHLBETON
发明人
HORST SCHMIDT,DR.-ING.
分类号
E04C5/08
主分类号
E04C5/08
代理机构
代理人
主权项
地址
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