State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of relative permittivity and relative permeability at frequency range from 1 MHz to 18 GHz
Joints of tubes with tube-plates and collectors of heat exchangers. Requirements to the typical technology for making tube to tube-plate joints by means of explosion energy of explosives
Noise of machinery. Determination of emission sound pressure levels at a work station and at the other specified positions applying accurate environmental corrections
€10
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