Two-dimensional code conference sign-in system

The utility model discloses a two-dimensional code conference sign-in system. Comprising a host control center used for creating conference information and issuing conference participation invitations; the mobile terminal is used for issuing and receiving the conference participation invitation and...

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Bibliographische Detailangaben
1. Verfasser:	XU CHUNBIAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CHECKING-DEVICES COLORIMETRY GENERATING RANDOM NUMBERS MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING ORDER TELEGRAPHS PHYSICS RADIATION PYROMETRY REGISTERING OR INDICATING THE WORKING OF MACHINES SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING TIME OR ATTENDANCE REGISTERS VOTING OR LOTTERY APPARATUS
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