GOST 25920-83

Electromagnetic compatibility (EMC). Part 4-29. Testing and measurement techniques. Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests

State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring specific heat-conduction of solid frames in the range of temperature 1800-3000 K

Straight bevel gear cutters. Technical conditions

Automobile roads of general use. Bridge constructions. Design of metal corrugated structures

Occupational safety standards system. Respiratory protective devices. Continuous flow compressed air line breathing apparatus. Requirements, testing, marking

Common test methods for insulating and sheathing materials of electric and optical cables. Part 4-1. Methods specific to polyethylene and polypropylene compounds. Resistance to environmental stress cracking. Measurement of the melt flow index. Carbon black and/or mineral filler content measurement in polyethylene by direct combustion. Measurement of carbon black content by thermogravimetric analysis (TGA). Assessment of carbon black dispersion in polyethylene using a microscope