Key chain capable of preventing loss by scanning two-dimensional code mobile phone number

The utility model discloses a key chain capable of preventing loss by scanning a two-dimensional code mobile phone number, which comprises an opening, a connecting belt, a rotating plate, a connecting block, a fixing ring, a connecting hole, a first end cover, a second end cover, a two-dimensional c...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MAI ZHIWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE CALCULATING COMPUTING COUNTING HABERDASHERY HANDLING RECORD CARRIERS HUMAN NECESSITIES JEWELLERY PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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