Pipe arrangement for ventilating buildings, comprises extruded expanded polyethylene pipes
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机译:用于建筑物通风的管道布置,包括挤出的膨胀聚乙烯管道
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摘要
The arrangement comprises extruded expanded polyethylene pipes (1). A pipe arrangement for ventilating buildings comprises one or more conduits assembled from a series of pipes made by extruding expanded polyethylene (2). An Independent claim is also included for a pipe.
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