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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31070.1-2014 |
Building intercom systems―Part 1: General technical requirements 楼寓对讲系统 第1部分：通用技术要求 |
China National Standards Building intercom systems―Part |
 English PDF |
| Find out:1Items | To Page of: First -Previous-Next -Last | 1 |
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