High-cold-region well water anti-freezing device utilizing high-pressure gas interference

The invention discloses a high-cold-region well water anti-freezing device utilizing high-pressure gas interference, and relates to the field of well water anti-freezing device structures, the high-cold-region well water anti-freezing device comprises a square center column, a fixing plate is instal...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LYU GUANGHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	FIXED CONSTRUCTIONS INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER SEWERAGE WATER SUPPLY
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