Plastics piping systems for renovation of underground gas supply networks - Part 1: General (ISO 11299-1:2018); German version EN ISO 11299-1:2018— 27 стр.
75.200 Petroleum. Including petroleum and natural gas storage devices, distribution systems, pipelines, petrol stations, dispensing devices, etc. / Оборудование для переработки нефтяных продуктов и
