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Electrical apparatus for explosive gas atmospheres. Part 1. Construction and verification test of flameproof enclosures of electrical apparatus. First supplement. Appendix D. Method of test for ascertainment of maximum experimental safe gap
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International electrotechnical vocabulary. Part 415. Wind turbine generator systems
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Low-voltage surge protective devices. Part 11. Surge protective devices connected to low-voltage power systems. Requirements and test methods
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Luminaries. Part 2. Particular requirements. Section 7. Portable luminaries for garden use
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Stationary steam and hot-water boilers and heat recovery steam generators. Terms and definitions
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