IEC 62032:2012 EN 0795f660
Guide for the Application, Specification and Testing of Phase-Shifting Transformers
现行
发布日期 :
2012-06-21
实施日期 :
IEC 62271-215:2021 EN-FR bf9ef33e
High-voltage switchgear and controlgear - Part 215: Phase comparator used with VDIS
现行
发布日期 :
2021-06-29
实施日期 :
IEC 60747-16-9:2024 EN-FR 84e968c2
Semiconductor devices - Part 16-9: Microwave integrated circuits - Phase shifters
现行
发布日期 :
2024-10-09
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 :
1986-08-14
实施日期 :
IEC 60909-0:2001 EN-FR 5d6cdcea
Short-circuit currents in three-phase a.c. systems - Part 0: Calculation of currents
REVISED
发布日期 :
2001-07-10
实施日期 :