Breath training aid

The utility model provides a breath training aid, belongs to medical apparatus technical field. It is connected with the one -way valve valve to suck the ware, the air duct is connected to the other end of one -way valve valve, the air duct is the hose, the liquid level pipe is connected to the othe...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Ding Yanqiong, Wang Yawen, Yu Yaqun
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES GAMES HUMAN NECESSITIES SPORTS TRAINING EQUIPMENT
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