发明名称 Concrete element e.g. for carrying liquid-conveying pipe, has at least one open aperture extending between front- and rear-face
摘要 <p>A concrete element consists largely of a plate-type concrete element with a liquid-conveying pipe system at least partly embedded in the concrete. The concrete plate has at least one open aperture extending between the front- and rear-face, and extending over the total thickness of the concrete element.</p>
申请公布号 DE20320245(U1) 申请公布日期 2004.05.27
申请号 DE2003220245U 申请日期 2003.12.29
申请人 KANT, MAX 发明人
分类号 E04C2/52;F24D3/16;(IPC1-7):E04C2/52 主分类号 E04C2/52
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