NEN 10268-17:1991现行
Sound System Equipment - Part 17: Standard Volume Indicators
出版：Nederlands Normalisatie Instituut
专家解读视频
Provides the characteristics to be specified, performance requirements and the relevant material methods of measurement for electromechanical volume indicators.
IEC 60268-17 Ed. 1.0 - Identical
HD 483.17:1992 - Identical
IEC 60268-17 : 1.0 - Identical
HD 483.17 : 200S1 - Identical
HD 483.17 : 200S1 - Identical
IEC 60268-17 : 1.0 - Identical
