实施日期:2009-10-31
Quartz crystal controlled oscillators - Part 2: Guide to the use of quartz crystal controlled oscillators (IEC 60679-2:1981)
适用范围:The document describes the general properties and performance characteristics of quartz crystal controlled oscillators.
实施日期:2003-11-19
Vitreous and porcelain enamels -- Glass-lined apparatus for process plants -- Part 3: Thermal shock resistance
适用范围:ISO 28721-3:2008 specifies requirements for the thermal shock resistance of, and heating and cooling procedures for, glass-lined apparatus, components, accessories and pipes primarily used for process ...
发布日期:2008-12-01 实施日期:2008-12-01
Standard cells
适用范围:本标准适用于作为电动势标准用的下列两种类型的标准电池,即:饱和式标准电池;不饱和式标准电池。 本标准不适用于 作为国际电动势基准器或国家电动势基准器的电池; 由装有一个或多个标准电池的控温箱组成的装置; 提供...
发布日期:1983-11-08 实施日期:1984-06-01
Process management for avionics. Electronic components capability in operation. Part 1:Temperature uprating
适用范围:IEC/TR 62240-1:2013(E) provides information for the use of semiconductor devices in wider temperature ranges than those specified by the device manufacturer. The uprating solutions described herein are...
发布日期:2013-04-23 实施日期:2013-04-23
Aerospace series - Pipe coupling 8<Grad>30' in titanium alloy - Unions, bulkhead, with weld end, for repair
适用范围:This standard specifies the characteristics of bulkhead welded unions of the 8?0' pipe coupling system in titanium alloy for aerospace application. They shall be used as repair couplings to replace EN ...
Power cables - Part 622: Power cables having rated voltages from 3, 6/6 (7, 2) kV up to and including 20, 8/36 (42) kV with special fire performance for use in power stations
实施日期:2006-05-01
Arc welding equipment - Part 11: Electrode holders
适用范围:IEC 60974-11:2010 is applicable to electrode holders for manual metal arc welding with electrodes up to 10 mm in diameter. It is not applicable to electrode holders for underwater welding. This part of...
发布日期:2010-07-29 实施日期:2010-07-29
Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 211: Heat-shrinkable sleeving, semi-rigid polyolefin, shrink ratio 2:1
适用范围:IEC 60684-3-211:2007 gives the requirements for four types of semi-rigid, heat-shrinkable polyolefin sleeving with a nominal shrink ratio of 2:1 that has been found suitable for temperatures up to 135 ...
发布日期:2007-02-15 实施日期:2007-02-15
Aerospace series - Pipe coupling 37°spherical, up to 21000 kPa - Inch series - Technical specification
Air cargo. Certified lower deck containers. Design and testing
发布日期:2013-07-31 实施日期:2013-07-31
Arc welding equipment. Part 5:Wire feeders Matériel de soudage. l’arc. Partie 5:Dévidoirs Edition 2.0
适用范围:This part of IEC 60974 specifies safety and performance requirements for industrial andprofessional equipment used in arc welding and allied processes to feed filler wire.The wire feeder may be a stand...
实施日期:2007-11-01
Flexible insulating sleeving - Part 3 : specifications requirements for individual type of sleeving - Sheet 320 : polyethylene terephthalate textile sleeving, lightly impregnated.
实施日期:2010-05-12
实施日期:2010-06-01
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