煤礦用阻燃信號電纜
FIRE-RETARDANT COMMUNICATION CABLES FOR COAL MINES
產品用途:產品用于煤礦井下電話通信干線、配線和用戶線路。Scope of application:The product uses in the coal mine mine shaft telephone communication skeleton line, matches the line and the subscriber's loop執行標準 Standards implemented:MT 81814-1999型號、名稱及使用范圍Model、Descriptions and Use scope