DIN IEC 49/316/CD
Draft amendment to IEC 60444-1:1986 - Measurement of quartz crystal unit parameters - Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a -network (IEC 49/316/CD:1995)
废止
发布日期 :
2001-03-01
实施日期 :

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400-168-0010




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