GOST 23509-79

Voltage detectors. General specifications

State system for ensuring the uniformity of measurements. Pressure gauges, vacuum pressure gauges, vacuum manometers, draught gauges, delivery head meters and draught head gauges with unified electric (current) output signals. Methods and means of verification

Occupational safety standards system. Construction. Works at height. Safety regulations

Information technology. 7-bit and 8-bit coded character sets. Control functions

Workplace exposure. Assessment of sampler performance for measurement of airborne particle concentrations. Part 2. Laboratory performance test based on determination of sampling efficiency

Rubber raw and unvulcanized compounded. Determination of plasticity number and recovery number. Parallel plate method