| Technical requirements and certification for procedures for welding metal materials. Technical requirements for the welding procedure
Технические требования и аттестация процедур сварки металлических материалов. Технические требования к процедуре сварки. |
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MinNR Приказ N 319 от 03.12.2007Ministry of Natural Resources and Ecology. . … |
RD 03-298-99-0Regulations Governing the Procedure for … |
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