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Trolley bus bars of voltage to 1000 V. General specifications

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Explosive atmospheres. Electrical resistance trace heating. Part 30-1. General and testing requirements

Document status: Cancelled

Semiconductor silicon, raw materials for its production and quartz. Methods of boron determination

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Hydro power plants. Part 1-6. Hydroelectric power station constructions hydraulic engineering. Requirements on loadings and influences (wave, ice and from courts)

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Electric and optical fibre cables. Test methods for non-metallic materials. Part 411. Miscellaneous tests. Low-temperature brittleness of filling compounds

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Protection against electric shock. Common aspects for installation and equipment

Document status: Cancelled