
Electrotechnical vocabulary. Part 821: Signalling and security apparatus for railways.
STANDARD published on 26.3.2002
Designation standards: UNE 21302-821:2002/ERRATUM:2002
Note: Correction
Publication date standards: 26.3.2002
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Spanish technical standard
Category: Technical standards UNE