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Hand-held motor-operated electric tools. Safety and methods. Part 2-4. Particular requirements for sanders and polishers other than disk type
Document status: Active
Electric generating sets for nuclear plants with internal combustion engines. General specifications. Рlacement requirements
Document status: Active
Photographic sensitometry. Terms, definitions and letter symbols
Document status: Active only in RF
Environmental protection. Biological diversity. Industrial environmental monitoring of biological diversity
Document status: Active