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1 Scope 1.1 This International Standard is applicable to: - flow-metering devices which are connected, either directly or by means of flexible connecting assemblies, and disconnected by the operator at terminal units of a medical gas pipeline system

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1.1 This International Standard specifies requirements for pressure regulators and pressure regulators with flow-metering devices intended for the administration of medical gases in the treatment, management, diagnostic evaluation and care of patients. It

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Information technology - Open Systems Interconnection - Systems Management: Usage metering function for accounting purposes AMENDMENT 1: Implementation conformance statement proformas

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