NC 02-07-55-1985
Unified System for Design Documentation, Conventíonal Graphic Symbols in Schemes Elements and Devices for Railway Signalling, Centralization and Blocking

Standard No.

NC 02-07-55-1985

Release Date

1985

Published By

CU-NC

Latest

NC 02-07-55-1985

Scope

This standard establis es conventional graphic symbols for the re-presentation of elements and devices for railway signaling, centralization and blocking.

NC 02-07-55-1985 history

• 1985 NC 02-07-55-1985 Unified System for Design Documentation, Conventíonal Graphic Symbols in Schemes Elements and Devices for Railway Signalling, Centralization and Blocking