| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | UTC1240A | ELECTRONIC DUAL-TONE RINGER,The UTC1240A are monolithic integrated circuits designed to replace the mechanical bell in telephone sets in connection with an electro-acoustical converter. | 64K |
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深圳市碧威特网络技术有限公司