Portable data collector

The invention provides a portable data collector. The portable data collector comprises a machine body; a collection plate is fixedly connected to the upper side of the machine body; two sides of the machine body are rotationally connected with rotating plates through first rotating shafts; each fir...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LIU ZHAOQIONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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