Respiratory equipment. Open-circuit umbilical supplied compressed gas diving apparatus - Demand apparatusBS EN 15333 1: 2008 Respiratory equipment. Open circuit umbilical supplied compressed gas diving apparatus. Demand apparatus BS EN 15333 1 specifies minimum requirements for demand surface supplied and demand surface oriented diving apparatus to ensure a minimum level of safe operation of the apparatus. A given open circuit umbilical supplied compressed gas diving apparatus can only be approved when the apparatus or apparatus sub assemblies satisfy

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3 Operational equipment

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Annex A (normative) Maintenance of the Terminology Repository

6 Format of a safety standard

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