GOST 31997-2012

System of product-quality indices. Volumetric, velocity counters, batchmeters and flowmeters. Electromagnetic flowmeters. Vortex flowmeters, batchmeters and metering plants. Nomenclature of indices

State system for ensuring the uniformity of measurements. pH measuring. Standard-titres material dose for making 2nd class standard buffer solutions. Specifications

Dentistry. Number coding system for rotary instruments. Part 3. Specific characteristics of burs and cutters

Telephone cables with polyethylene insulation and plastic sheath. General specifications

Lubricants. Determination of the coefficient of friction, resistant to wear and extreme pressure performance using SRV testing machine

Automatic emission and discharge control systems. Automatic control systems for pollutant discharges. Sampling requirements