Database system for controlling gate of station riding area
Automobile shunting and series-parallel connection hybrid power mechanism
Computer program for entering parking lot in middle of line in over-platform subway signal system
Monitoring system for passengers on platform of over-platform urban rail train
Monitoring system for passengers on platform of over-platform urban rail train
Intelligent lock database system based on unique mark positions and longitudes and latitudes
INTELLIGENT LOCK DATABASE SYSTEM BASED ON UNIQUE ID POSITION AND LONGITUDE AND LATITUDE THEREOF
Intelligent lock database system based on unique mark positions and longitudes and latitudes