2012LST EN 927-3-2012 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 3: Natural weathering test
0000 LST EN 927-3-2007
2001LST EN 60318-3-2001 Electroacoustics. Simulators of human head and ear. Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry (IEC 60318-3:1998)