UNI EN 15257:2007被替代
Cathodic Protection - Competence Levels And Certification Of Cathodic Protection Personnel
出版：Italian Standards
专家解读视频
2007 COR 1 2008 [28/02/2008]2007 [01/03/2007]
Supersedes UNI 10875. (04/2008) English edition is also available. (06/2009)
NEN EN 15257:2007 - Identical
SS EN 15257 Ed. 1 (2006) - Identical
NS EN 15257 Ed. 1 (2006) - Identical
I.S. EN 15257:2006 - 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
EN 15257:2006 - Identical
ONORM EN 15257:2007 - Identical
