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Electrical apparatus for explosive gas atmospheres. Part 1. Construction and verification test of flameproof enclosures of electrical apparatus
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Explosionproof electrical apparatus.. Part 14. Electrical installations in explosive gas atmospheres (other than mines)
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Unified system of corrosion and ageing protection. Temporary rust prevention of products. General requirements
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Unified system of corrosion and ageing protection. Paint coatings. Method of appearance rating
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