Повучен
ISO 11484:2009 describes an employer's qualification system for non-destructive testing (NDT) personnel performing the inspection of the following steel products under the employer's responsibility:
tubes/pipes (seamless or welded);
flat products, long products, rails, bars, sections, rod, wire.
ПОВУЧЕН
ISO 11484:2009
95.99
Повучен
1. 4. 2019.