TB/T 1691-1995
Direct Current Signal Mode Between Railway Telephone Switching Networks (English Version)

Standard No.

TB/T 1691-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

Professional Standard - Railway

Latest

TB/T 1691-1995

Replace

TB 1619-1985

TB/T 1691-1995 history

• 1995 TB/T 1691-1995 Direct Current Signal Mode Between Railway Telephone Switching Networks
• 0000 TB 1619-1985