Tra cứu Tiêu chuẩn quốc tế
Tìm thấy 696 kết quả.
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| 401 |
IEC 60471:1977/AMD1:1980
Amendment 1 - Dimensions of clevis and tongue couplings of string insulator units |
| 402 |
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| 403 |
IEC 60457-4:1978
Rigid precision coaxial and their associated precision connectors. Part 4: 21 mm rigid precision coaxial line and associated hermaphroditic precision coaxial connector - Characteristic impedance 50 ohms (Type 9/21) - Characteristic impedance 75 ohms (Type 6/21) |
| 404 |
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| 405 |
IEC 60496:1975/AMD1:1977
Amendment 1 - Methods for measuring the performance of electric warming plates for household and similar purposes |
| 406 |
IEC 60483:1976
Guide to dynamic measurements of piezoelectric ceramics with high electromechanical coupling |
| 407 |
BS 3999-16:1993*IEC 60496:1975Methods of measuring the performance of household electrical appliances. Electric warming plates Methods of measuring the performance of household electrical appliances. Electric warming plates |
| 408 |
IEC 60487-3:1975
Methods of measurement for equipment used in terrestrial radio-relay systems. Part 3: Simulated systems |
| 409 |
IEC 60496:1975
Methods for measuring the performance of electric warming plates for household and similar purposes |
| 410 |
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| 411 |
BS 5786-1:1979*IEC 60418-1:1974Variable capacitors. Methods of test Variable capacitors. Methods of test |
| 412 |
IEC 60441:1974
Photometric and colorimetric methods of measurement of the light emitted by a cathode-ray tube screen |
| 413 |
IEC 60457-1:1974
Rigid precision coaxial and their associated precision connectors. Part 1: General requirements and measuring methods |
| 414 |
IEC 60457-2:1974
Rigid precision coaxial and their associated precision connectors. Part 2: 50 ohms 7 mm rigid precision coaxial line and associated hermaphroditic precision coaxial connector |
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