China Modems for date tran GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 9412-1988 Modems for date transmission at 48 kilobits per second using 60～108 kHz group band circuits 用于60～108 kHz基群电路的48 kbit/s数据传输的调制解调器 - 英文版

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