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Luminaires portable child-appealing. General specifications

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Electric mining equipment,

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Refrigerating systems and heat pumps. Safety and environmental requirements. Part 1. Definitions, classification and selection criteria

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Technical energy systems. Structure for analysis. Energyware supply and demand sectors

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Petroleum and natural gas industries. Shell-and-tube heat exchangers. Technical requirements

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Normal mine-type lighting equipment. General specification

Document status: Active