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Latest 20 threads of YD通信
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YD/T 757-2013 角钢c通信塔技术条?/title>
http://m.dy313.com/thread-223151-1-1.html
YD通信
200313070
Tue, 29 Jun 2021 08:35:51 +0000
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YD/T 5186-2010 通信pȝ用室外机柜安装设计规?/title>
http://m.dy313.com/thread-147477-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 04:33:09 +0000
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YD/T 5185-2010 IP多媒体子pȝ(IMS)核心|工E设计暂行规?/title>
http://m.dy313.com/thread-147476-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 04:31:37 +0000
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YD/T 5183-2010 通信工程标准体系
http://m.dy313.com/thread-147475-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 04:27:08 +0000
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YD 5190-2010 Ud通信|直攄讑֤抗地震性能规?/title>
http://m.dy313.com/thread-147474-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 03:56:49 +0000
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YD 5189-2010 镉K通信光缆塑料道工程施工监理暂行规定
http://m.dy313.com/thread-147473-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 03:51:28 +0000
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YD 5188-2010 公用计算Z联网工程施工监理暂行规定
http://m.dy313.com/thread-147472-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 03:47:26 +0000
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YD 5187-2010 W三代数字蜂H移动通信|工E施工监理暂行规?/title>
http://m.dy313.com/thread-147471-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 03:44:54 +0000
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YD 5123-2010 通信U\工程施工监理规范
http://m.dy313.com/thread-147470-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 03:40:39 +0000
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YD 5102-2010 通信U\工程设计规范
http://m.dy313.com/thread-147469-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 03:32:02 +0000
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YD 5060-2010 通信讑֤安装抗震设计N
http://m.dy313.com/thread-147468-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 03:26:07 +0000
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YD 5054-2010 通信建筑抗震N分类标准
http://m.dy313.com/thread-147467-1-1.html
YD通信
meizhong
Thu, 25 Nov 2010 03:22:13 +0000
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YD/T 1085-2000B-ISDNATM适配层AALcd2信o技术规范(能力?1Q?/title>
http://m.dy313.com/thread-128161-1-1.html
YD通信
暴走q风
Mon, 02 Nov 2009 03:08:19 +0000
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YDJ 38-85市内电话U\工程施工及验收技术规?试行)
http://m.dy313.com/thread-34097-1-1.html
YD通信
woshi_tjy
Sun, 08 Jun 2008 14:50:00 +0000
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YDJ 41-1986镉K通电话交换设备安装工E施工及验收技术规?/title>
http://m.dy313.com/thread-34096-1-1.html
YD通信
woshi_tjy
Sun, 08 Jun 2008 14:46:29 +0000
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YDJ 9-90市内通信全塑늼U\工程设计规范
http://m.dy313.com/thread-34095-1-1.html
YD通信
woshi_tjy
Sun, 08 Jun 2008 14:38:06 +0000
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YD/T 503-1991139 264kbitQs怽抖动试仪技术条?/title>
http://m.dy313.com/thread-34094-1-1.html
YD通信
woshi_tjy
Sun, 08 Jun 2008 14:37:13 +0000
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YD/T 504-1991短L长光时域反射试仪技术条?/title>
http://m.dy313.com/thread-34093-1-1.html
YD通信
woshi_tjy
Sun, 08 Jun 2008 14:35:50 +0000
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YD/T 505-199110kHz?00MHz传输试仪技术条?/title>
http://m.dy313.com/thread-34092-1-1.html
YD通信
woshi_tjy
Sun, 08 Jun 2008 14:34:43 +0000
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YD 509-1991 国内卫星通信时分多址方式q网技术要?/title>
http://m.dy313.com/thread-34091-1-1.html
YD通信
woshi_tjy
Sun, 08 Jun 2008 14:33:23 +0000
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