Heat preservation type heating and ventilation pipe for heating and ventilation engineering

The utility model discloses a heat preservation type heating and ventilation pipe for heating and ventilation engineering, which comprises a pipeline body, a heat preservation layer is wrapped outside the pipeline body in a sleeved mode, the pipeline body is externally wrapped and protected through...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JI SHAOQIONG, AN DAOKUAN, LI SANMIN, ZHU SONGKUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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