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发明名称
VERFAHREN ZUR HERSTELLUNG VON GESCHLOSSENEN BUEGELN
摘要
申请公布号
DD263721(A1)
申请公布日期
1989.01.11
申请号
DD19870304772
申请日期
1987.07.09
申请人
INSTITUT FUER STAHLBETON,DD
发明人
THOMAS,WERNER,DD;POHL,HORST,DD;MILDNER,GUENTER,DD
分类号
E04C5/06;(IPC1-7):B23K11/32
主分类号
E04C5/06
代理机构
代理人
主权项
地址
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