| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | M-991 | Call Progress Tone Generator | 175K |
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| 2 | M-991-01SM | Call Progress Tone Generator | 175K |
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| 3 | M-991-01SMTR | Call Progress Tone Generator | 175K |
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| 4 | M-991-02SM | Call Progress Tone Generator | 175K |
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| 5 | M-991-02SMTR | Call Progress Tone Generator | 175K |
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