Approval of rules for the certification of welders and welding specialists.
Об утверждении правил аттестации сварщиков и специалистов сварочного производства. |
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MinNR 14Concerning approval of the general regulations … |
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KZ 219Requirements of industrial safety for oil and … |
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MinNR Приказ N 2 от 09.01.2013Ministry of Natural Resources and Ecology. . … |