Autor
American National Standards Institute
4
Instituto de Normas Técnicas de Costa Rica
3
National Fire Protection Association (Estados Unidos)
2
National Fire Protection Association (Estados Unidos). National Electrical Code
2
Canadian Standard
1
Earley, Mark W.
1
Gotshaw, F. Marco
1
Institute of Electrical and Electronics Engineers (Piscattaway, Estados Unidos)
1
Institute of Electrical and Electronics Engineers. Standards Coordinating Committee 14 on Quantities, Units and Letter Symbols
1
Institute of Electrical and Electronics Engineers. Standards Coordinating Committee 14, Graphic Symbols and Designations
1
McPartland, Brian J.
1
McPartland, Joseph F.
1
Unión Internacional de Telecomunicaciones. Comité Consultivo Internacional Telegráfico y Telefónico
1