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This International Standard specifies the requirements for the construction and the installation of radiobiological shielding devices used as ventilation passages through shielded enclosures with concrete or leaded walls to protect against gamma radiation
under a controlled set of standard test conditions
solely or principally to provide information concerning a physiological or pathological state or concerning a congenital abnormality
BS EN 1820 specifies requirements for antistatic and non-antistatic reservoir bags for use with anaesthetic apparatus or lung-ventilator breathing systems
BS EN 12397 outlines the safety requirements applicable to the operation of installations for passenger transportation by cable
Information technology. Keyboard layouts for text and office systems - Part 5. Editing and function section Ingestion-build-51215 This International Standard specifies the