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GB/T 12634-1990 Test methods for electroelastic constants of piezoelectric crystals 压电晶体电弹常数测试方法 - 英文版 |
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GB/T 11320-1989 Test methods for the properties of piezoelectric ceramics--Material with the low mechanical quality factor 压电陶瓷材料性能测试方法 低机械品质因数压电陶瓷材料性能的测试 - 英文版 |
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GB/T 11312-1989 Test methods for SAW properties of piezoelectric ceramics and crystals 压电陶瓷材料和压电晶体声表面波性能测试方法 - 英文版 |
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GB/T 11311-1989 Test methods for the properties of piezoelectric ceramics--Test for Poisson’s ratio σE 压电陶瓷材料性能测试方法 泊松比σE的测试 - 英文版 |
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GB/T 11310-1989 Test methods for the properties of piezoelectric ceramics--Test methods for temperature characteristics of relative free dielectric constants 压电陶瓷材料性能测试方法 相对自由介电常数温度特性的测试 - 英文版 |
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GB/T 11309-1989 Test methods for the properties of piezoelectric ceramics--Quasi-static testfor piezoelectric strain content d33 压电陶瓷材料性能测试方法 纵向压电应变常数d33的准静态测试 - 英文版 |
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GB/T 5594.5-1985 Test methods for properties of structure ceramic used in electronic components--Test method forvolume resistivity 电子元器件结构陶瓷材料性能测试方法 体积电阻率测试方法 - 英文版 |
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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 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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