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发明名称
APPARATUS FOR MAKING A SOFFIT FOR A FEED-THROUGH DUCTING ARRANGEMENT IN A CONCRETE WALL
摘要
申请公布号
GB2171139(B)
申请公布日期
1987.01.21
申请号
GB19860005637
申请日期
1986.03.07
申请人
WERNER * HAUFF
发明人
WERNER * HAUFF
分类号
E04G15/06;F16L5/14;H02G3/22;(IPC1-7):E04G15/00
主分类号
E04G15/06
代理机构
代理人
主权项
地址
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