| On Approval of Tsn [Territorial Construction Standards] 12-302-02khk
"Rules for Issuing Permits for Construction and Assembly Work"
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GOST 12.2.012-75SSBT. Occupational Safety Standards System. … |
RD 153.39.4-056Trunk Oil Pipeline Maintenance Regulations |
GOST 12.2.088-83SSBT. Occupational Safety Standards System. … |