IEVref:821-06-10ID:
Language:enStatus: Standard
Term: telephone block
Synonym1:
Synonym2:
Synonym3:
Symbol:
Definition: block system in which telephone messages are used to pass trains through the block sections


Publication date:2017-11-20
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5: