Pipeline valves. Forgings, die forgings and rolled stocks. Technical requirementsPipeline valves. Forgings, die forgings and rolled stocks. Technical requirements
Description in Russian:
Арматура трубопроводная. Поковки, штамповки и заготовки из проката. Технические требования
State system for ensuring the uniformity of measurements. Optics and optical instruments. Field procedures for testing geodetic and surveying instruments. Part 8. GNSS field measurement systems in real-time kinematic (RTK)