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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7624-1987 |
2400 bits persecond modem standardized for use on 4-wire leased telephone type circuits 在四线租用电话型电路上使用的标准化2400比特/秒调制解调器 |
China National Standards 2400 bits persecond |
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