International
Electrotechnical
Commission
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Area
Signalling and security apparatus for railways
/ General concepts and terms
IEV ref
821-01-15
en
main running line
track used by the trains in the ordinary regular service
fr
voie principale
, f
voie empruntée par des trains en service régulier
ar
خط السير الرئيسى
de
Hauptgleis, n
es
vía principal
it
binario di circolazione
ko
본선
ja
本線
pl
tory główne zasadnicze, f pl
pt
via principal
zh
主运行线路
Publication date:
2017-11-20
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