SJ 20049-1992
Performance requirement for machinery electrization installation of fiber-optical communication equipment.Electrization installation requirement for fiber-optical communication equipment of stationary ground (English Version)

Standard No.

SJ 20049-1992

Language

Chinese, Available in English version

Release Date

1992

Published By

Professional Standard - Electron

Latest

SJ 20049-1992

SJ 20049-1992 history

• 1992 SJ 20049-1992 Performance requirement for machinery electrization installation of fiber-optical communication equipment.Electrization installation requirement for fiber-optical communication equipment of stationary ground