PNST 924-2024

Plate heat exchanges. Types, parameters and basic dimensions

Two-cardan with protective shell. Testing methods

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

Rotating electrical machinery. Turbo-generators. General specifications

System of ensuring geometric parameters accuracy in building. Rules for measuring parameters of buildings and works

Truncated from screw ring-gauges for pipe cylindrical threads from 4' up to 6' nominal diameter. Construction and basic sizes