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Above 200 kW rotating electric machines. Synchronous engines. General specifications
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General requirements for residual current operated protective devices
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Semiconductor silicon and quartz. Method of impurities determination
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Luminaires. Part 2. Particular requirements. Section 9. Photo and film luminaires (non-professional)
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Electrical apparatus for explosive gas atmospheres. Part 14. Electrical installations in hazardous areas (other than mines)
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