Basic norms of interchangeability. Geometrical product specifications. Code system for tolerances on linear sizes. General provisions, tolerances, deviations and fits
State system for ensuring the uniformity of measurements. Parameters of ultrasonic fields. General requirements to measuring methods and characterization of fields in the frequency range 0,5 to 40 MHz
Information technology. Open Systems Interconnection. Procedures for the operation of OSI Registration Authorities. Joint ISO and ITU-T registration of international organizations
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