34| 0
|
YDT 514-1998 非话用户终端设备与公用电话网接口技术要求和测试方法 |
| ||
|站长QQ:22646427|Archiver|手机版|小黑屋|查规范网
( 粤ICP备2024184902号-1 )|网站地图
GMT+8, 2025-6-4 17:11 , Processed in 0.145851 second(s), 41 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.