TB/T 1693-1995
Signal Interface of Automatic Telephone Exchange in Railway Telephone Switching Network (English Version)

Standard No.

TB/T 1693-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

Professional Standard - Railway

Latest

TB/T 1693-1995

Replace

TB 1693-1985

TB/T 1693-1995 history

• 1995 TB/T 1693-1995 Signal Interface of Automatic Telephone Exchange in Railway Telephone Switching Network
• 0000 TB 1693-1985