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国际电工委员会(IEC Standard)№49技术委员会(控制和选择频率的压电器件分会)通告:根据日本国家委员会提议,提出关于声表面波滤波器的术语和定义的草案如下:
International Electrotechnical Commission (IEC Standard) № 49 Technical Committee (Piezoelectric Devices Section for Controlling and Selecting Frequencies) Notice: On the proposal of the Japanese National Committee, a draft of the terms and definitions for a surface acoustic wave filter is proposed as follows: