High-efficiency filters and filter media for removing particles in air - Part 4: Test method for determining leakage of filter elements-Scan method (ISO 29463-4:2011)
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full -- Part 1: General principles and requirements— 40 стр.
High-efficiency filters and filter media for removing particles in air -- Part 2: Aerosol production, measuring equipment and particle-counting statistics— 34 стр.
