GOST 21291-75

Traction reducer tooth gears and its blanks, reducer gear housing for subway rolling stock. Specifications

Informational ensuring of equipment and operational activity. System «man-information». Formalized iconic graphic information for carrying out human-information interactions of linguo-semanticized activities

Threaded plug-gauges with inserts with full-form of thread of diameters from 1 to 100 mm. Design and basic dimensions

The state system of ensuring the uniformity of measurements. Variable pressure drop technique. Special orifices. Part 1. Principle of measurement technique and general requirements

Ion-exchange resins. Anionites. Specifications

Refined sugar. Methods for determination of small lumps (sugar scraps and crystals, powdered sugar)