NA 134
VDI/DIN-Commission on Air Pollution Prevention (KRdL) - Standards Committee
DIN EN 1948-1 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 4793 | 1980-10 | Laboratory sintered (fritted) filters; Porosity grading, classification and designation More |
| VDI 2449 Blatt 1 | 1995-02 | Measurement methods test criteria - Determination of performance characteristics for the measurement of gaseous pollutants (immission) More |
