DIN IEC 60268-2:1994 Sound system equipment - Part 2: Explanation of general terms and calculation methods (IEC 60268-2:1987 + A1:1991); German version HD 483.2 S2:1993
1994DIN IEC 60268-2:1994-08 Sound system equipment - Part 2: Explanation of general terms and calculation methods (IEC 60268-2:1987 + A1:1991); German version HD 483.2 S2:1993
1994DIN IEC 60268-2:1994 Sound system equipment - Part 2: Explanation of general terms and calculation methods (IEC 60268-2:1987 + A1:1991); German version HD 483.2 S2:1993