Gas supply systems. Pipelines for maximum operating pressure up to and including 16 bar. Specific functional recommendations for polyethylene (MOP up to and including 10 bar)— 24 стр.
83.140.30 Plastics pipes and fittings for non fluid use / Пластмассовые трубы, фитинги и клапаны
75.200 Petroleum. Including petroleum and natural gas storage devices, distribution systems, pipelines, petrol stations, dispensing devices, etc. / Оборудование для переработки нефтяных продуктов и
