GOST 17321-71

Building construction machinery and equipment. External vibrators for concrete

Carbide drills. Types and main sizes

Rolling scaffold with movable working place. Specifications

State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring phase shift angle with in the frequency range from 25,95 to 37,50 GHz

Kuznetsk basin coals for non-ferrous metallurgy. Specifications

Mortars. Methods of testing