Standard No.:	MT 405-1995
English Name:	General Technical Specifications for Production Dispatching Auto Exchange Telephone Switchboard of Coal Mine
Chinese Name:	煤矿生产调度自动交换电话总机通用技术条件
Chinese Classification:	D98    Coal mine special equipment
Professional Classification:	MT    Professional Standard - Coal
Source Content Issued by:	Ministry of Coal Industry
Issued on:	1995-8-25
Implemented on:	1995-11-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	10000 words
Translation Price(USD):	300.0
Delivery:	via email in 1~3 business day

本标准规定了煤矿生产调度自动交换电话总机的产品分类、技术要求、试验方法、检验规则、标志、包装、运输及贮存。
本标准适用于通过拨号或按键控制操作以自动接续方式实现交换，并能进行全矿井生产调度指挥的煤矿生产调度自动交换电话总机(以下简称自动调度交换总机)。