IEC/TC29:电声学和全国电声学标委会标准动态(2008年9月~2011年6月)
IEC/TC29:전성학화전국전성학표위회표준동태(2008년9월~2011년6월)
IEC/TC29: Standard Dynamic of Electro- acoustics and National Electro- acoustics Standardization Technical Committee (2008.09 -2011.06)
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