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Although this subject is dealt with by CIGRE [1]
BS EN 60641-3-1:2008 supersedes BS EN 60641-3-1:1994 which is withdrawn
BS 4651-2 provides you with the reagents and apparatus required for the test method
15 Weather conditions
it provides the basis for calculating hearing disability according to various formulae when the hearing threshold levels at commonly measured audiometric frequencies
Metrological aspects of non-automatic weighing instruments Ingestion-build-221493 Although this subject is dealt1 Scope This European Standard specifies the metrological and technical requirements for non automatic weighing instruments. It is intended to provide standardized requirements and testing procedures to evaluate the metrological and technical characteristics in a uniform and traceable way.
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