GOST 12457-77

Clothes of leather. General specifications

Fiberglass reinforced thermosetting plastic pipes and parts of pipelines. Methods for determination of initial specific ring stiffness

Acoustics. Laboratory measurement of sound insulation of building elements. Part 4. Measurement methods and procedures

Industrial automation systems and integration. Product data representation and exchange. Part 32. Conformance testing methodology and framework. Requirements on testing laboratories and clients

United power system and isolated power systems. Relay protection and automation. Differential protection of power lines 110-220 kV. Functional requirements

Interior artificial lighting of railway stations buildings. Norms and control methods