IEC 61338-1:2004 EN_D 6e43e454
Waveguide type dielectric resonators - Part 1: Generic specification
现行
发布日期 :
2004-11-02
实施日期 :
IEC 63041-1:2021 EN-FR 9c02f4bd
Piezoelectric sensors - Part 1: Generic specifications
现行
发布日期 :
2021-09-17
实施日期 :
IEC TR 61088:1991 EN-FR 81a55807
Characteristics and measurements of ultrasonic piezoceramic transducers
现行
发布日期 :
1991-09-01
实施日期 :
IEC 60444-1:1986 EN-FR bb39c7ce
Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network
现行
发布日期 :
1986-08-15
实施日期 :