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ZHQ-1 ZHG-1 Command Telephone
China ZHQ-1 ZHG-1 Command Telephone:
ZHQ-1 ZHG-1 Command Telephone
1)Chapter 2 of Part 4 of the “ Steel Ship Classification Rules" of the China Classification Society:
Colour: Dull black
Shell material: Q235B
Ringing loudness: >75dB
IP rating: IP22/IP44
Command conversation, conference phone ,caller identification, speed dial