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发明名称
SYSTEM FOER VENTILERING AV BETONGGOLV I FLERVAANINGSHUS
摘要
<p>The component system used permits rapid and easy installation without inconvenience to inhabitants of the building.</p>
申请公布号
SE8901164(L)
申请公布日期
1990.10.04
申请号
SE19890001164
申请日期
1989.04.03
申请人
NYBOVERKEN AB
发明人
ALFREDSSON B
分类号
E04B1/70;E04B5/48
主分类号
E04B1/70
代理机构
代理人
主权项
地址
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