NC 66-30-1985 Electronics Variable Ceramic Capacitors Testing Methods《电子线路 可变陶瓷电容 测试方法》.pdf

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NC 66-29-1984 Electronics Bipolar Transistors Measurement Methods《电子线路 双极性晶体管测量方法》.pdf

NC 66-31-1986 Electronics Ceramic Variable Capacitors Quality Specifications《电子线路 可变陶瓷电容 质量规范》.pdf

NC 66-13-1984 Electronics Thermal Dissipators for Semiconductors Quality Specifications《电子线路 半导体散热器 质量规范》.pdf

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