Tra cứu Tiêu chuẩn quốc tế
Tìm thấy 73948 kết quả.
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| 18641 |
IEC 60050-713:1998/AMD2:2017
Amendment 2 - International Electrotechnical Vocabulary (IEV) - Part 713: Radiocommunications: transmitters, receivers, networks and operation |
| 18642 |
IEC 60050-714:1992/AMD2:2017
Amendment 2 - International Electrotechnical Vocabulary (IEV) - Part 714: Switching and signalling in telecommunications |
| 18643 |
IEC 60050-721:1991/AMD2:2017
Amendement 2 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication |
| 18644 |
IEC 60050-722:1992/AMD1:2017
Amendment 1 - International Electrotechnical Vocabulary (IEV) - Part 722: Telephony |
| 18645 |
IEC 60050-723:1997/AMD3:2017
Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 723: Broadcasting: Sound, television, data |
| 18646 |
IEC 60050-726:1982/AMD2:2017
Amendment 2 - International Electrotechnical Vocabulary (IEV) - Part 726: Transmission lines and waveguides |
| 18647 |
IEC 60050-731:1991/AMD2:2017
Amendment 2 - International Electrotechnical Vocabulary (IEV) - Part 731: Optical fibre communication |
| 18648 |
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| 18649 |
IEC 60050-821:2017
International Electrotechnical Vocabulary (IEV) - Part 821: Signalling and security apparatus for railways |
| 18650 |
IEC 60051-5:2017
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 5: Special requirements for phase meters, power factor meters and synchroscopes |
| 18651 |
IEC 60051-6:2017
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 6: Special requirements for ohmmeters (impedance meters) and conductance meters |
| 18652 |
IEC 60051-7:2017
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 7: Special requirements for multi-function instruments |
| 18653 |
IEC 60051-8:2017
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 8: Special requirements for accessories |
| 18654 |
IEC 60061-1:1969/AMD56:2017
Amendment 56 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamps Caps |
| 18655 |
IEC 60061-1:1969/AMD57:2017
Amendment 57 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamps Caps |
| 18656 |
IEC 60061-2:1969/AMD52:2017
Amendment 52 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 2: Holders |
| 18657 |
IEC 60061-2:1969/AMD53:2017
Amendment 53 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 2: Lampholders |
| 18658 |
IEC 60061-3:1969/AMD53:2017
Amendment 53 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges |
| 18659 |
IEC 60061-3:1969/AMD54:2017
Amendment 54 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges |
| 18660 |
IEC 60061-4:1990/AMD15:2017
Amendment 15 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 4: Guidelines and general information |
