| Provisional Environmental Protection Guidelines for Construction of Oil and Gas Wells.
Временная инструкция по охране окружающей среды при строительстве скважин на нефть и газ. |
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GOST 22520-85Pressure, vacuum, and pressure difference … |
Rosstat 84On approval of annual forms of federal state … |
Rosstat 54Forms For Statistical Supervision Of Enterprises |