China Calculation of frequ GB Standards Search Result |
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1. Ready translated GB standards  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
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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 . |
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GB/T 23146-2008 Calculation of frequency of twelve-tone equal temperament and cent 十二平均律的频率与音分的计算 - 英文版 |
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GB/T 18213-2000 Guide to the calculation of resistance of plain and coated copper conductor of low-frequency cables and wires 低频电缆和电线无镀层和有镀层铜导体电阻计算导则 - 英文版 |
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GB/T 14856-1993 Interference calculation methods of coast radiotelephone station operating in high frequency bands 海岸电台高频无线电话频道干扰的计算方法 - 英文版 |
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