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发明名称
FERTIGTEILRIPPENPLATTE AUS STAHLBETON ZUR HERSTELLUNG VON DACHDECKEN
摘要
申请公布号
DD267759(A1)
申请公布日期
1989.05.10
申请号
DD19870309846
申请日期
1987.12.03
申请人
VEB LEUNA-WERKE "WALTER ULBRICHT",DD
发明人
KIRST,ULRICH,DD
分类号
(IPC1-7):E04C2/50
主分类号
(IPC1-7):E04C2/50
代理机构
代理人
主权项
地址
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