发明名称 PROTECTED CARBON STEEL PIPE FOR FIRE TUBE HEAT EXCHANGE DEVICE, PARTICULARLY BOILERS
摘要 A protected carbon steel pipe (6) for fire tube heat exchange devices, particularly boilers, comprising internally, at least along a portion of its length, at least one bonded layer (7) of corrosion-resistant material.
申请公布号 EA011432(B1) 申请公布日期 2009.02.27
申请号 EA20070002265 申请日期 2006.04.12
申请人 UNICAL S.P.A. 发明人 JAHIER GIOVANNI
分类号 F28F19/06;F28F1/02;F28F1/40;F28F13/06 主分类号 F28F19/06
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