Anti-lost tunnel personnel positioning device convenient to wear

The utility model discloses an anti-lost tunnel personnel positioning device convenient to wear, which comprises a mounting box, the interiors of the two ends of the mounting box are rotatably connected with one end of a bracelet through a hinge shaft, the other end of the bracelet is movably connec...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG CHAOXIA, HU PEIZHEN, XIONG MAOHUA, MA WEIHONG, WENG YIHAN, YU FU, GU WEIJIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BRACELETS COINS HABERDASHERY HUMAN NECESSITIES JEWELLERY OTHER PERSONAL ADORNMENTS
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