PNST 923-2024

Equipment for air conditioning, ventilation and heating. Terms and definitions

Unshaped refractories. Aggregates for concrete articles, masses, mixtures, coatings and mortars. Specifications

Air and electric portable tools. Terms and definitions

Motor vehicles. Connecting rod bolts. General technical requirements and methods of tests

State system for ensuring the uniformity of measurements. Nuclear-physical characteristics and other main data on properties of materials and substances used in the field of nuclear science and technology. Basic principles. Part 1. Radionuclide nuclear-physical characteristics

Cast malleable iron flanges for Pnom from 1,6 to 4,0 MPa (from16 to 40 kgf/cm2). Design and dimensions