TB/T 2075.21-2020
Electrified Railway Catenary Components Part 21: Tunnel Horizontal Suspension Devices (English Version)

Standard No.

TB/T 2075.21-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家铁路局

Latest

TB/T 2075.21-2020

Replace

TB/T 2075.21-2010

TB/T 2075.21-2020 history

• 2020 TB/T 2075.3-2020 Electrified Railway Catenary Components Part 3: Limiting Positioning Devices
• 2010 TB/T 2075.3-2010 Fittings for overhead contact system in electrification railway.Part 3:Limited steady device
• 2002 TB/T 2075.21-2002 Fittings for overhead contact system of electrification railway-Part 21:Steady tube
• 0000 TB/T 2075.43-1990