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发明名称
Abstandhalter fuer die obere Bewehrung von Betonplatten, der auf der unteren Bewehrung aufliegt
摘要
申请公布号
DE1165832(B)
申请公布日期
1964.03.19
申请号
DE1959E018616
申请日期
1959.12.09
申请人
KARL ERIK OLOF TAGE ELLNER
发明人
ELLNER KARL ERIK OLOF TAGE
分类号
E04C5/18
主分类号
E04C5/18
代理机构
代理人
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