TB/T 2075.22-2020
Electrified railway catenary components Part 22: Tunnel support and positioning devices (English Version)

Standard No.

TB/T 2075.22-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家铁路局

Latest

TB/T 2075.22-2020

Replace

TB/T 2075.22-2010

TB/T 2075.22-2020 history

• 2020 TB/T 2075.10-2020 Electrified Railway Catenary Components Part 10: Branches
• 2010 TB/T 2075.10-2010 Fittings for overhead contact system in electrification railway.Part 10:Crossing clamp
• 2002 TB/T 2075.22-2002 Fittings for overhead contact system of electrification railway-Part 22:Crossing clamp