国外标准列表
-
[国外标准] BS EN 50174-2-2009 Information technology — Cabling installation — Part 2 Installation planning and
-
[国外标准] BS EN 50174-1-2009 Information technology — Cabling installation — Part 1 Installation specification
-
[国外标准] BS EN 50164-6-2009 Lightning Protection Components (LPC) — Part 6 Requirements for lightning strike
-
[国外标准] BS EN 50164-5-2009 Lightning Protection Components (LPC) — Part 5 Requirements for earth electrode i
-
[国外标准] BS EN 50160-2007 Voltage characteristics of electricity supplied by public distribution networks