Russian standards
Marine, locomotive and industrial diesel engines. Exhaust smoke opacity. Standard values and testing methods
Document status: Withdrawn
Cable trunking and ducting systems for electrical installations. Part 2-2. Particular requirements. Cable trunking systems and cable ducting systems intended for underfloor and flush floor installations
Document status: Replaced by GOST R IEC 61084-2-2-2022
Refrigerating systems and heat pumps. Safety and environmental requirements. Part 4. Operation, maintenance, repair and recovery
Document status: Active