Posted on 8/10/2020
Waterproof performance of explosion-proof telephone_making method_what are the uses
Most people do not know that the scope of application of the PBT series explosion-proof and waterproof telephones: suitable for outdoor places where waterproof telephones need to be installed. For example, subway stations, ports, parks, squares, viaducts, hydropower stations, ships, etc.
The waterproof grade of the PBT series explosion-proof and waterproof telephone i...