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GB/T 5594.2-1985 Test methods for properties of structure ceramic used in electronic components--Test method for Youngs elastic modulus and Poisson ratio 电子元器件结构陶瓷材料性能测试方法 杨氏弹性模量、泊松比测试方法 - 英文版 |
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GB/T 5594.1-1985 Test methods for properties of structure ceramic used in electronic components--Test method for gas-tightness 电子元器件结构陶瓷材料性能测试方法 气密性测试方法 - 英文版 |
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GB/T 5444-1985 The test methods for the technical specifications of subscriber line signalling for automatic telephone switching network 电话自动交换网用户信号技术指标测试方法 - 英文版 |
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GB/T 5443-1985 The test methods for the technical specifications of ringing and tone for automatic telephone switchingnetwork 电话自动交换网铃流和信号音技术指标测试方法 - 英文版 |
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GB/T 5442-1985 The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network 电话自动交换网带内单频脉冲线路信号技术指标测试方法 - 英文版 |
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GB/T 5441.5-1985 Test methods for communication cable--Characteristic impedance test of coaxial pair--Resonance method 通信电缆试验方法 同轴对特性阻抗实部平均值试验 谐振法 - 英文版 |
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GB/T 5441.4-1985 Test methods for communication cable--Impedance and impedance irregularities test of coaxial pair--Pulse method 通信电缆试验方法 同轴对端阻抗及内部阻抗不均匀性试验 脉冲法 - 英文版 |
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GB/T 5441.10-1985 Test methods for communication cable--Measurement of actual length of coaxial pair--Sine wave method 通信电缆试验方法 同轴对展开长度测量 正弦波法 - 英文版 |
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GB/T 4166-1984 Methods of test of variable capacitors in electronic equipment 电子设备用可变电容器的试验方法 - 英文版 |
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GB/T 3971.3-1983 The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network 电话自动交换网多频记发器信号技术指标测试方法 - 英文版 |
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