The document specified the general procedure for measurement of breathing resistance of respiratory protective devices, except for diving apparatus.#,,#
DIN EN 13274-3:2002 history
2002DIN EN 13274-3:2002-03 Respiratory protective devices - Methods of test - Part 3: Determination of breathing resistance; German version EN 13274-3:2001
2002DIN EN 13274-3:2002 Respiratory protective devices - Methods of test - Part 3: Determination of breathing resistance; German version EN 13274-3:2001