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Refractory and high-refractory articles for the lining of rotary furnaces. Specifications
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Radio-frequency tags on aviation equipment. Data content and format
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Valves for nominal pressure at most PN 250. General specifications
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Semi-finished products of wrought aluminium thermo-hardened alloys. Control of microstructure for presence of overburning by metallographic method
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Organic production. Production regulations, processing, labelling and implementation
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Medical electrical equipment. Part 1-11. General requirements for basic safety and essential performance. Collateral standard. Requirements for medical electrical equipment and medical electrical systems used in the home healthcare environment
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