1) one call button at each station 2) one LED display unit how it works? when someone need service, ge/ she can press the button, the number will be sent to the LED display.
Beijing Yueqi Science & Technology Co., Ltd., headquartered in Beijing, is a leading supplier of calling systems and a high-tech enterprise integrating independent R& D capacity, independent....
Binding capacity : 1" ( 25.4mm) Punching capacity: 20sheets ( 80g) , 2sheets( PVC) Hole Distance: 3 : 1 ( 8.47mm) 40holes Side Margin Control: 2.5-6.5mm Design of Section: 4.0x4.0mm Max. range of binding : ....
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