This part of ISO 3134 gives terms for and definitions of wrought products of light metals and their alloys.
DS/EN 23 134-3:1992 history
1993DS/EN 23 741:1993 Acoustics - Determination of sound power levels of noise sources - Precision methods for broad-band sources in reverberation rooms
1992DS/EN 23 134-3:1992 Light metals and their alloys - Terms and definitions - Part 3: Wrought products