Prefabricated heat preservation steam slip heating power pipe of steel bushing steel

The utility model relates to a heating power pipe, especially prefabricated heat preservation steam slip heating power pipe of steel bushing steel way, including the work core pipe and outer pillar of coaxial inner conductor installation, work core outside of tubes parcel has the heat preservation,...

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Bibliographische Detailangaben
Hauptverfasser: SHENG HAO, WANG GUOQIANG, DUAN HAOSHENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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