| Approval of the safety rules for hydraulic engineering facilities of liquid industrial waste holding ponds.
Об утверждении правил безопасности гидротехнических сооружений накопителей жидких промышленных отходов. |
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GGTN 12-529-03Safety rules for gas distribution and gas … |
Rosstroy 39-86Oil Well Construction Project Documentation |
PUE PUE, 7, Section 2Pue_7_Section 2_Channeling of Electric Power |