GB/T 31070.4-2018

Active

Building intercom systems—Part 4: Application guidelines

楼寓对讲系统 第4部分：应用指南

Standard Type
GBT
ICS
13.310
CCS
A91
Status
现行
Issue Date
2018-12-28
Implementation
2018-12-28
Responsible Dept
公安部
Drafting Unit
N/A