I.S. EN 15257:2006被替代
Cathodic Protection - Competence Levels and Certification of Cathodic Protection Personnel
出版：National Standards Authority of Ireland
专家解读视频
Describes three competence levels (Annex B) of personnel acting in the field of cathodic protection, including survey, design, installation, testing and maintenance.
ONORM EN 15257:2007 - Identical
EN 15257:2006 - Identical
NEN EN 15257:2007 - Identical
SS EN 15257 Ed. 1 (2006) - Identical
NS EN 15257 Ed. 1 (2006) - Identical
UNI EN 15257:2007 - Identical
NF EN 15257:2007 - Identical
NBN EN 15257:2007 - Identical
DIN EN 15257 (2007-03) - Identical
BS EN 15257:2006 - Identical
SN EN 15257:2007 - Identical
