Respiratory protective devices. Classification for respiratory protective device (RPD), excluding RPD for underwater application Ingestion-build-44680 The alarm transmission system using

The alarm transmission system using PSN may use wired links

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claims of conformity to this standard are not acceptable unless such exclusions do not affect the organization’s ability

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Respiratory protective devices. Classification for respiratory protective device (RPD), excluding RPD for underwater application Ingestion-build-44680 The alarm transmission system using1 Scope This Technical Specification specifies the classification of Respiratory Protective Devices based on their performance. The performance requirements are given in the relevant performance standards.