| Model Guidelines for Protecting Heat Supply System Pipelines Against External Corrosion.
Типовая инструкция по защите трубопроводов тепловых сетей от наружной коррозии. |
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GGTN Rules 1992Rules for the installation and safe operation … |
OST 39-091-79Oil and gas treating plants |
MISC ISO 14001Enviromental managment systems - Specification … |