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66楼,电信IC卡的**没你想像的那么简单
2007-9-2 17:48
- 侃单片机论坛
- 111
- 24141
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MAX3232如何做二个RS232用?
2013-11-18 09:46
- 通信技术
- 10
- 3804
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MT8880的CP模式5秒检测是不是.....
2011-12-8 21:41
- 通信技术
- 4
- 1748
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实用资料——国外近距无线通讯设备规范及法律条文下载地
2014-1-3 10:34
- 通信技术
- 11
- 4339
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