Símbolos literales a utilizar en electrotecnia. Parte 1: generalidades.
LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY. PART 1: GENERAL.
SYMBOLES LITTÉRAUX À UTILISER EN ÉLECTROTECHNIQUE. PREMIÈRE PARTIE. GÉNÉRALITES.
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01.075 / Character symbols
29.020 / Electrical engineering in general
31.020 / Electronic components in general
33.020 / Telecommunications in general
CTN 200/SC 25 - Quantities and units, and their letter symbols
HD 245.1 S3:1979 (Identical)
IEC 27-1A:1976 (Identical)
IEC 27-1:1971 (Identical)
IEC 27-1:1971/A1:1974 (Identical)
IEC 27-1:1971/A2:1977 (Identical)
It is cancelled by: UNE-EN 60027-1:2009
Cancel: UNE 20004-1:1974
This standard is available in:
Print and digital format
Spanish
