| Health Regulations and Standards for Protection of Surface Waters Against Pollution.
Санитарные правила и нормы охраны поверхностных вод от загрязнения. |
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MISC MFE Methodological-Instructions-Clearance-Operation-ElectricMethodological Instructions For Giving … |
OST 36-143-88Process equipment and piping installation work … |
SNiP III-10-75Regulations Governing Performance and … |