NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 60704-2-6 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 7235 | 2003-08 | Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss More |
