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经营范围
发明名称
Lichtschacht mit mindestens einem U-foermigen Betonfertigteil
摘要
申请公布号
DE2112424(A1)
申请公布日期
1972.09.28
申请号
DE19712112424
申请日期
1971.03.15
申请人
HEIBGES,BRUNO
发明人
HEIBGES,BRUNO
分类号
E04F17/06
主分类号
E04F17/06
代理机构
代理人
主权项
地址
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