GOST 13217.9-90

State system for ensuring the uniformity of measurements. Contact (stylus) instruments for the measurement of surface roughness. Procedure of calibration

Flare screwed fittings with inside cone. Construction

Joints of tubes with tube-plates and collectors of heat exchangers. Requirements for typical technology of making tube to tube-plate joints by means of leads electrical explosion energy

Unified system for design documentation. Letters for drawings

Metal-cutting machine tools. Methods of checking cylindrical specimens for size constancy within one batch

Wood Fuels. Standard Test Methods