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Respiratory protective devices. Methods of test and test equipment - Determination of breathing resistance Ingestion-build-109673 tube diameter and tube wall

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tube diameter and tube wall thickness in the assembly (see EN 4814)

IEC 61199:1993

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BS EN IEC 61853‑4 on photovoltaic module energy ratings is useful for:

design and configuration of potable water supply systems on ships

Respiratory protective devices. Methods of test and test equipment - Determination of breathing resistance Ingestion-build-109673 tube diameter and tube wall1 Scope This document specifies the method(s) of test for breathing resistance for respiratory protective devices (RPDs), filters for RPDs, and respiratory interfaces (RI).

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