State system of ensuring the unity of measurements. Standard time and frequency signals radiated by specialized radio stations of the state time service. Main parameters

NEPLATNÁ vydána dne 1.7.1979

State system for ensuring the uniformity of measurements. Gas meters. Verification methods and means

NEPLATNÁ vydána dne 1.1.2004

State system for ensuring the uniformity of measurements. Gas meters. Verification methods and means

NEPLATNÁ vydána dne 1.7.1979

State system for ensuring the uniformity of measurements. Metrological certification measuring instruments

NEPLATNÁ vydána dne 1.1.1991

State system for ensuring the uniformity of measurements. Non-linear distortion meters. Methods and means of verification

NEPLATNÁ vydána dne 1.1.1980

State system for ensuring the uniformity of measurements. Light measurements. Values of relative spectral light efficiency of monochromatic radiation for photopic vision

NEPLATNÁ vydána dne 1.1.1980

State system for ensuring the uniformity of measurements. Hardness standard blocks. Methods of verification

NEPLATNÁ vydána dne 1.1.2005

State system for ensuring the uniformity of measurements. Haroness standard blocks. Methods and means of verification

NEPLATNÁ vydána dne 1.1.1980

State system for ensuring the uniformity of measurements. Thermal converters of industrial thermocouple thecmometers. Methods and means of verification

NEPLATNÁ vydána dne 1.1.1980

State system for ensuring the uniformity of measurements. Steel horisontal tanks. Methods and means of verification

NEPLATNÁ vydána dne 1.1.1981