Online Standards Store PDF
Gate-type shut off valves for steam electric stations. Types and main parameters
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Lamp caps and holders for light sources together with gauges for the control of interchangeability and safety. Part 4. Guidelines and general information
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Specification for fibre for electrical purposes. Part 1. Terms and definitions. General requirements
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Explosion-proof mine electromagnetic starters up to 1140 V. Technical requirements and test methods
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