YD/T 926.2-2009 大楼通信综合布线系统 第2部分:电缆、光缆技术要求
YD/T 926.2-2009.Telecommunication Generic Cabling System for Building Part 2: Ca...
行业标准2023.08.03
YD/T 926.2-2009.Telecommunication Generic Cabling System for Building Part 2: Ca...
行业标准2023.08.03
YD/T 926.3-2009.Telecommunication Generic Cabling System for Building Part 3: Co...
行业标准2023.08.03
YD/T 928-1997.N-ISDN Type2 Network Terminal (NT2)equipment Technical specificati...
行业标准2023.08.03
YD/T 939-2005.Power distributing file cabinet for transfer equipment.1范围YD/T 939...
行业标准2023.08.03
YD/T 926.3-2001.Telecommunication Generic Cabling System for Building Part 3: Co...
行业标准2023.08.03
YD/T 926.2-2001.Telecommunication Generic Cabling System for Building Part 2: Ca...
行业标准2023.08.03
YD/T 926.1-2001.Telecommunication Generic Cabling System for Building Part 1: Ge...
行业标准2023.08.03
YD/T 925-1997.Fiber optic cable end case.1范围YD/T 925规定了光缆终端盒的产品型号、结构、技术要求、试验方法、检...
行业标准2023.08.03
YD/T 973-1998.SDH 155Mb/s and 622Mb/s Technical conditions of optical transimitt...
行业标准2023.08.03
YD/T 970-1998.Generic conference control.1范围YD/T 970提供音像会议和视听会议的终端和多点控制器(MCUs)的会...
行业标准2023.08.03