GOST 2172-80

Premixes. Method for determination of manganese

Pipeline valves. Multiplayer metal bellows. General specifications

State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for measuring means of magnetic inductance of static field in the range from 1x10 in minus 12 degree up to 5x10 in minus 2 degree T, constant magnetic flux, magnetic inductance and magnetic moment in frequency band from 0 - 20000 Hz

Vessels and apparatus. Norms and methods of strength calculation. Apparatus of column type

Optical fibres. Part 1-40. Measurement methods and test procedures. Attenuation

Yarn from bast fibres and their blend with chemical fibres. Specifications