GOST 6227-80

Unified system of design documentation. Graphical conventions in diagrams. Apparatus and telegraph repeaters

Design calculation and strength testings. Methods of mechanical testing of polymeric composite materials. Test for tensile properties on plane specimens at normal, elevated and law temperatures

State system for ensuring the uniformity of measurements. Hardness testing machines for metals and alloys. Methods and means of verification

Winding wires. Test methods. Part 3. Mechanical properties

cast-iron storm flow receivers for man-holes Specifications

Pins for gating patterns. Design and dimensions