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Other Communication Equipment

Dustproof Phone

Dustproof Phone

2007-8-20
This phone applies to subway, highway, power plant, oil station, angry station, pit, pier, steel company and large scale project etc., is dampproof,...
Expand Sound Telephone

Expand Sound Telephone

2007-8-20
This phone applies to subway, highway, power plant, oil station, angry station, pit, pier, steel company and large scale project etc., is dampproof,...
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