登录
首页 / 标准检索

标准检索

共找到 26,879 项标准,第 28 / 1344 页

IEC 60240-1:1992
Characteristics of electric infra-red emitters for industrial heating - Part 1: Short wave infra-red emitters
现行 ICS 25 机械制造 1992 17 页 ¥1
IEC 60243-1:2013
Electric strength of insulating materials - Test methods - Part 1: Tests at power frequencies
现行 ICS 29 电气工程 2013 53 页 ¥3
IEC 60243-2:2013
Electric strength of insulating materials - Test methods - Part 2: Additional requirements for tests using direct voltage
现行 ICS 29 电气工程 2013 17 页 ¥1
IEC 60243-3:2013
Electric strength of insulating materials - Test methods - Part 3: Additional requirements for 1,2/50 μs impulse tests
现行 ICS 29 电气工程 2013 17 页 ¥1
IEC 60244-10:1986
Methods of measurement for radio transmitters. Part 10: Methods of measurement for television transmitters and transposers employing insertion test signals
现行 ICS 33 电信、音频和视频工程 1986 81 页 ¥5
IEC 60244-11:1989
Methods of measurement for radio transmitters. Part 11: Transposers for FM sound broadcasting
现行 ICS 33 电信、音频和视频工程 1989 41 页 ¥3
IEC 60244-13:1991
Methods of measurement for radio transmitters - Part 13: Performance characteristics for FM sound broadcasting
现行 ICS 33 电信、音频和视频工程 1991 59 页 ¥3
IEC 60244-14:1997
Methods of measurement for radio transmitters - Part 14: External intermodulation products caused by two or more transmitters using the same or adjacent antennas
现行 ICS 33 电信、音频和视频工程 1997 49 页 ¥3
IEC 60244-15:1999
Methods of measurement for radio transmitters - Part 15: Amplitude-modulated transmitters for sound broadcasting
现行 ICS 33 电信、音频和视频工程 1999 53 页 ¥3
IEC 60244-1:1999
Methods of measurement for radio transmitters - Part 1: General characteristics for broadcast transmitters
现行 ICS 33 电信、音频和视频工程 1999 79 页 ¥5
IEC 60244-2:1969/AMD1:1974
Amendment 1 - Methods of measurement for radio transmitters. Part 2: Bandwidth, out-of-band power and power of non-essential oscillations
现行 ICS 33 电信、音频和视频工程 1969 11 页 ¥1
IEC 60244-3:1972
Methods of measurement for radio transmitters. Part 3: Wanted and unwanted modulation
现行 ICS 33 电信、音频和视频工程 1972 81 页 ¥5
IEC 60244-3A:1971
Methods of measurement for radio transmitters - Part 3: Wanted and unwanted modulation - First supplement: Appendices
现行 ICS 33 电信、音频和视频工程 1971 23 页 ¥2
IEC 60244-4:1973
Methods of measurement for radio transmitters. Part 4: Amplitude/frequency characteristics and non-linearity distortion in transmitters for radiotelephony and sound broadcasting
现行 ICS 33 电信、音频和视频工程 1973 48 页 ¥3
IEC 60244-4A:1976
Methods of measurement for radio transmitters - Part 4: Amplitude/frequency characteristics and non-linearity distortion in transmitters for radiotelephony and sound broadcasting - First supplement: Section Three
现行 ICS 33 电信、音频和视频工程 1976 47 页 ¥3
IEC 60244-5:1992
Methods of measurement for radio transmitters - Part 5: Performance characteristics of television transmitters
现行 ICS 33 电信、音频和视频工程 1992 168 页 ¥5
IEC 60244-7:1979
Methods of measurement for radio transmitters. Part 7: Cabinet radiation at frequencies above 1 GHz
现行 ICS 33 电信、音频和视频工程 1979 17 页 ¥1
IEC 60245-1:2026
Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 1: General requirements
现行 ICS 25 机械制造 2026 23 页 ¥2
IEC 60245-3:2026
Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 3: Heat resistant silicone insulated cables
现行 ICS 29 电气工程 2026 8 页 ¥1
IEC 60245-4:2011
Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 4: Cords and flexible cables
现行 ICS 29 电气工程 2011 42 页 ¥3