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
Noise. Engineering method of determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment
State system for ensuring the uniformity of measurements. Diamond indenters of the hardness testing machines for metal and alloys. Verification methods and means
