C22.2 NO. 253-09 (R2014)
C22.2 NO. 253-09 (R2014) - Medium-voltage ac contactors, controllers, and control centres (Tri-national standard, with UL 347 and NMX-J-564/106-ANCE- 2009)
- Année de publication 2009
- Publié par CSA Group
- Confirmé(e) en 2014
- 01 Edition
- Withdrawn
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