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Technical Specification

DIN CEN ISO/TS 21083-2 ; DIN SPEC 3688:2019-11

Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Size range from 3 nm to 30 nm (ISO/TS 21083-2:2019); German version CEN ISO/TS 21083-2:2019
Edition 2019-11

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