China Performanceand metho 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.
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	GB/T 7254-1995 Performanceand methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification 8448 kbit/s正码速调整二次群数字复用设备技术要求和测试方法 - 英文版

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