BS IEC 60050-821:1998(2000)
International Electrotechnical Vocabulary — Part 821 : Signalling and security apparatus for railways

Standard No.

BS IEC 60050-821:1998(2000)

Release Date

1970

Published By

/

Latest

BS IEC 60050-821:1998(2000)

BS IEC 60050-821:1998(2000) history

• 0000 BS IEC 60050-821:1998(2000)
• 1999 BS IEC 60050-821:1999 International electrotechnical vocabulary - Signalling and security apparatus for railways
• 1999 BS IEC 60050-821:1998 International electrotechnical vocabulary. Signalling and security apparatus for railways