资质认证
- IEC 60127:1962
- Cartridge fuse links for miniature fuses
- 1961-12-31
- IEC 60135:1961
- Numbering of electrodes and designation of units in electronic tubes and valves
- 1960-12-31
- IEC 60134:1961
- Rating systems for electronic tubes and valves and analogous semiconductor devices
- 1960-12-31
- IEC 60114:1959
- Recommendation for heat-treated aluminium alloy busbar material of the aluminium-magnesium-silicon type
- 1958-12-31
- IEC 60114:1959/COR1:1959
- Corrigendum 1 - Recommendation for heat-treated aluminium alloy busbar material of the aluminium-magnesium-silicon type
- 1958-12-31
- IEC 60105:1958
- Recommendation for commercial-purity aluminium busbar material
- 1957-12-31
- IEC 60061:1952/AMD3:1958
- Amendment 3 - International recommendations regarding lamp caps and holders together with gauges for the control of interchangeability
- 1957-12-31
- IEC 60061:1952/AMD2:1956
- Amendment 2 - International recommendations regarding lamp caps and holders together with gauges for the control of interchangeability
- 1955-12-31
- IEC 60061:1952/AMD1:1953
- Amendment 1 - International recommendations regarding lamp caps and holders together with gauges for the control of interchangeability
- 1952-12-31
- IEC 60061:1952
- International recommendations regarding lamp caps and holders together with gauges for the control of interchangeability
- 1951-12-31
- IEC 60028:1925
- International standard of resistance for copper
- 1924-12-31
