Approval of rules for the certification of welders and welding specialists.
Об утверждении правил аттестации сварщиков и специалистов сварочного производства. |
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MISC Council of Ministers Decree 593Council of Ministers Decree 593 State Licensing … |
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REG 326Licensing Individual Activity |
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GOST 17.4.3.01-83Environmental protection. Soil. General … |