Measurement of the electrical properties of electronic tubes ; method of measurement for cold cathode counting and indicator tubes 电子管电气性能测量.冷阴极记数管和指示管的测量方法
Measurements of the electrical properties of electronic tubes . part 22 : methods of measurement for cold cathode counting and indicator tubes 电子管电性能的测量.第22部分:冷阴极计数管和指示管的测量方法
Specification for harmonized system of quality assessment for electronic components - blank detail specification : cold cathode indicator tubes 电子元器件用质量评估协调体系规范.空白详细规范:冷阴极显示管