IEC 60134:1961 电子管、电子阀及类似半导体器件的额定系统 Rating systems for electronic tubes and valves and analogous semiconductor devices 标准号：IEC 60134:1961 发布日期：1961-01-01
IEC 60134:1961
IEC 60134:1961 电子管、电子阀及类似半导体器件的额定系统 Rating systems for electronic tubes and valves and analogous semiconductor devices 标准号：IEC 60134:1961 发布日期：1961-01-01
IEC 60134:1961