IEC 60050-821:2017 :
IEC 60050-821:2017 : 1452028
IEC 60050-821:2017 :
Title: International Electrotechnical Vocabulary (IEV) - Part 821: Signalling and security apparatus for railways
Pages: 391
Year:
Publisher: International Electrotechnical Commission
Availability: Within 1-2 working days IEC will directly send the standards to End-User after our confirmation.
Title: International Electrotechnical Vocabulary (IEV) - Part 821: Signalling and security apparatus for railways
Pages: 391
Year:
Publisher: International Electrotechnical Commission
Availability: Within 1-2 working days IEC will directly send the standards to End-User after our confirmation.
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