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Natural combustible gas. Determination of methane number

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Through type tee connections with a ball nipple. Design and basic dimensions

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7:24 Tapered arbors for shell end milling cutters centered across the hole for machines with n numerical control. Basic dimensions

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Semiconductors diodes. Terms, definitions and letter symbols

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Noise of machinery. Determination of emission sound pressure levels at a work station and at the other specified positions applying approximate environmental corrections

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Occupational safety standards system. Personal protective equipment for legs. Occupational footwear. General requirements

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