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Sealing devices of screw joints with round cross-section rubber rings. Screw part. Construction and dimensions
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Lamp controlgear. Part 2-12. Particular requirements for d.c. or a.c. supplied electronic ballasts for discharge lamps (excluding fluorescent lamps)
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Bentonite clay for fine and building ceramics. Methods for the determination of adsorption index and cation-exchange capacity
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Global navigation satellite system. Navigation information systems. Terms and definitions
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