IEC 60235-3:1972 EN-FR 1742b95e
Measurement of the electrical properties of microwave tubes. Part 3: Disk seal tubes
现行
发布日期 :
1972-01-01
实施日期 :
IEC 60236:1974 EN-FR f39e5baf
Methods for the designation of electrostatic deflecting electrodes of cathode-ray tubes
现行
发布日期 :
1974-01-01
实施日期 :