Solar heat collecting pipe

The invention relates to a solar heat collecting pipe. The solar heat collecting pipe is characterized in that: an inner pipe is installed inside an outer pipe; a vacuum layer is formed between the inner pipe and the outer pipe; the inner wall of the inner pipe is provided with a heat absorption lay...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GONG QIYUN, GAI LI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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