Tra cứu Tiêu chuẩn quốc tế
Tìm thấy 73948 kết quả.
Searching result
34441 |
IEC 60331-21:1999
Tests for electric cables under fire conditions - Circuit integrity - Part 21: Procedures and requirements - Cables of rated voltage up to and including 0,6/1,0 kV |
34442 |
IEC 60331-23:1999
Tests for electric cables under fire conditions - Circuit integrity - Part 23: Procedures and requirements - Electric data cables |
34443 |
IEC 60331-25:1999
Tests for electric cables under fire conditions - Circuit integrity - Part 25: Procedures and requirements - Optical fibre cables |
34444 |
IEC 60432-1:1999
Incandescent lamps - Safety specifications - Part 1: Tungsten filament lamps for domestic and similar general lighting purposes |
34445 |
IEC 60432-2:1999
Incandescent lamps - Safety specifications - Part 2: Tungsten halogen lamps for domestic and similar general lighting purposes |
34446 |
IEC 60444-1:1986/AMD1:1999
Amendment 1 - Measurement of quartz crystal unit parameters by zero phase technique in a pi-network. Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network |
34447 |
IEC 60489-1:1983/AMD2:1999
Amendment 2 - Methods of measurement for radio equipment used in the mobile services - Part 1: General definitions and standard conditions of measurement |
34448 |
IEC 60489-2:1991/AMD1:1999
Amendment 1 - Methods of measurement for radio equipment used in the mobile services - Part 2: Transmitters employing A3E, F3E or G3E emissions |
34449 |
IEC 60489-3:1988/AMD1:1999
Amendment 1 - Methods of measurement for radio equipment used in the mobile services - Part 3: Receivers employing A3E, F3E or G3E emissions |
34450 |
IEC 60489-6:1999
Radio equipment used in mobile services - Methods of measurement - Part 6: Data equipment |
34451 |
|
34452 |
|
34453 |
|
34454 |
|
34455 |
|
34456 |
|
34457 |
IEC 60660:1999
Insulators - Tests on indoor post insulators of organic material for systems with nominal voltages greater than 1 000 V up to but not including 300 kV |
34458 |
|
34459 |
|
34460 |
IEC 60684-3-409:1999
Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 409: Glass textile sleeving with polyurethane (PUR)-based coating |