10kHz~200kHz音叉石英晶体元件的测试方法和标准值10kHz~200kHz音叉石英晶体元件的测试方法和标准值Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values
10 kHz ~ 200 kHz 범위 및 표준값에서 소리굽쇠 수정진동자의 측정 및 시험 방법
在10 Khz到200 Khz和标准值范围内调整叉石英晶体单元的测量和测试方法
2016-12-29
BS EN 60689-2009
Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values
10 kHz至200 kHz音叉石英晶体元件和标准值的测量和试验方法
2009-04-30
KS C IEC 60689(2021 Confirm)
10 kHz ~ 200 kHz 범위 및 표준값에서 소리굽쇠 수정진동자의 측정 및 시험 방법
10 kHz至200 kHz范围内音叉石英晶体元件和标准值的测量和试验方法
2016-12-29
IEC 60689-2008
Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values
10kHz至200kHz音叉石英晶体单元的测量和试验方法及标准值
2008-11-27
DIN EN 60689
Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values (IEC 60689:2008); German version EN 60689:2009
10 kHz至200 kHz范围内音叉石英晶体元件的测量和试验方法及标准值(IEC 60689-2008);德文版EN 60689:2009
2009-08-01
BS 05/30137416 DC
IEC 60689. Measurements and test methods for 200 kHz or less quartz crystal units and standard values
IEC 60689 200 kHz或以下石英晶体单位和标准值的测量和试验方法