Air collecting port opening and closing device of air detector and air detector

The utility model discloses a gas collection port opening and closing device of an air detector, the air detector comprises a shell, a gas collection port arranged on the surface of the shell and a cover plate arranged at the gas collection port, the gas collection port opening and closing device is...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TIAN XIAOMING, HUAN SUMING, FU YONGKAI, SUN GANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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