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Chinese National Standard Category: Telephone communication equipment

English Title: Wired-emergency telephone system of expressway
Chinese Title: 高速公路有线紧急电话系统
Standard No.: GB/T 19516-2017
Category No.: M40
Issued by: AQSIQ AND SAC
Issued on: 2017-10-14
Implemented on: 2018-5-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:GB/T 19516-2004 The specifications of wired-emergency telephone system of expressway
Word Count:8500 words
Similar Standards: GB 10755-1989   GB/T 12197-1990   YD/T 694-1993   T/CCSA 238.1-2018   GB/T 19516-2017   GB/T 26257-2010   YD/T 1889-2009   YD/T 1394-2009   YD/T 1395-2009   GB/T 17113-2008   GB/T 3482-2008   GB/T 21545-2008   GB/T 9043-2008   JT/T 703-2007   SN/T 1429.7-2007   YD/T 1686-2007   YD/T 1666-2007   YD/T 1623-2007   YD/T 1622-2007   YD/T 868-2007  
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