Baby walker based on ultrasonic waves

The invention discloses a baby walker based on ultrasonic waves. The baby walker comprises a walker main body, supporting frames are fixedly connected to the two sides of the walker main body. A firstsupport is arranged in the middle of the supporting frames. A second bracket is mounted in the first...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHONG YUJIE, GUO WEIGANG, CHEN SUISHENG, WANG ZHIGUI, CHEN JUNTONG, ZHANG WEI, ZHAO LONGYUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FURNITURE FURNITURE SPECIALLY ADAPTED FOR CHILDREN HUMAN NECESSITIES ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS SPICE MILLS SUCTION CLEANERS IN GENERAL
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