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标题: BS EN 448: 2015 District heating pipes. [打印本页]

作者: hgundas    时间: 2019-11-17 21:30:50     标题: BS EN 448: 2015 District heating pipes.


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BS EN 448: 2015
District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene

作者: admin    时间: 2019-11-25 16:23:54

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