GOST 12202-66

Basic norms of interchangeability. Involute splined joints with 30 gr. profile angle. Dimensions, tolerances and measurable sizes

State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 8. Reference equivalent threshold sound pressure levels of pure tones for circumaural earphones

Flax raw fiber cotonized for blended yarns. Specifications

Petroleum turbine oils with additives. Specifications

Alarm systems. Aerosol systems. General technical requirements and test methods

Forged round and square steel. Dimensions