| Process Regulations for Competence Assessment of Welders and Welding Industry Professionals
Технологический регламент проведения аттестации сварщиков и специалистов сварочного производства. |
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MinInd regulations-of-05-07-92Rules for the operation of heat-consuming … |
Gosnadzor 03-591-03Design and Safe Operation of Flare Systems |
Rosstroy 18-58On the confirmation of the composition, … |