KTH17 explosion-proof telephone for mine

explosion-proof telephone,KTH17 explosion-proof cell ,Mine explosion-proof telephoneKTH17 explosion-proof telephone for minechinacoal07 Product Introductionon1) KTH 17 intrinsically safe automatic telephone is not only used underground, tunnel, metal mining, chemical industrials, etc ,but also hard pollution places ;2) The material of cover is with features of waterproof, dustproof, anticorrosion and the protection degree IP54;3) Installation ,desk-top ,hanging type optional,