GB/T 18233.6-2022信息技术用户建筑群通用布缆第6部分:分布式楼宇设施国家标准
英文:Information technology—Generic cabling for customer premises—Part 6: Distributed building services GB/T 18233.6-2022介...
英文:Information technology—Generic cabling for customer premises—Part 6: Distributed building services GB/T 18233.6-2022介...