Boxes and enclosures for electrical accessories for household and similar fixed electrical installations. Part 21. Particular requirements for boxes and enclosures with provision for suspension means
State system for ensuring the uniformity of measurements. State verification schedule for means measuring air kerma, air kerma rate, exposure, exposure rate, ambient dose equivalent, directional dose equivalent and personal dose equivalent, ambient dose equivalent rate, directional dose equivalent rate and personal dose equivalent rate and energy flux of X-ray and gamma radiation
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