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发明名称
Verfahren zum Herstellen von Kanaelen in Beton, insbesondere von Kanaelen fuer Vorspannglieder
摘要
申请公布号
DE880645(C)
申请公布日期
1953.06.22
申请号
DE1951W006226
申请日期
1951.07.12
申请人
WAYSS & FREYTAG A. G.
发明人
FRANZ GOTTHARD DR.-ING.
分类号
B28B7/32;B28B23/00;B28B23/04;E04C5/10
主分类号
B28B7/32
代理机构
代理人
主权项
地址
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