Bus system five-party intercom system

The utility model discloses a bus system five-party intercom system, which comprises a machine room handle machine, a car roof interphone, a pit interphone, a car interphone, a duty room host, a decoder and a system power supply, and is characterized in that the car roof interphone, the pit interpho...

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Bibliographische Detailangaben
1. Verfasser:	WEI JINFA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELEVATORS ENGINEERING ELEMENTS AND UNITS ESCALATORS OR MOVING WALKWAYS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAULING HEATING HOISTING LIFTING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS SELECTING SHOCK-ABSORBERS SPRINGS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL TRANSMISSION TRANSPORTING WEAPONS
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