GOST 8253-79

Paper and board. Determination of air permeance (medium range). General requirements for methods

Energy saving. Renewable and alternative sources of energy. Heat pumps «air-water» for hausehold thermal supply. General technical requirements and test methods

Electromagnetic compatibility of technical equipment. Arc welding equipment. Part 10. Requirements and test methods

Electronics automated design systems. Information support. Technical characteristics of electronic components. Electrical connectors, electrical installation and connection products. List of technical characteristics

Rayon pulp. Method for determination of short fibre content

Rails welded by electric contact method. Specifications