发布日期:2008-12-23 实施日期:2008-12-23
适用范围:GB/T 7178的本部分规定了铁路调车列车摘挂作业的程序、项目、内容、作业人员、技术要求等。 本部分适用于国家铁路、合资铁路、地方铁路、专用铁道列车摘挂技术作业。
发布日期:2006-08-22 实施日期:2007-01-01
Industrial fans -- Determination of fan sound power levels under standardized laboratory conditions -- Part 1: General overview
适用范围:ISO 13347:2004 deals with the determination of the acoustic performance of industrial fans. In addition, it may be used to determine the acoustic performance of fans combined with an ancillary device s...
发布日期:2004-08-01 实施日期:2004-08-01
Power line communication systems for power utility applications - Part 1: Planning of analogue and digital power line carrier systems operating over EHV/HV/MV electricity grids (IEC 62488-1:2012); Germ...
发布日期:2013-11-01 实施日期:2013-11-01
Optics and optical instruments - Microscopes - Imaging distances related to mechanical reference planes - Part 2: Infinity-corrected optical systems (ISO 9345-2:2003)
适用范围:Specification of the imaging distances of objectives," eyepieces and the focal length of ""normal"" tube lenses of microscopes with infinity-corrected optical systems.#",,#
实施日期:2004-12-01
Standard Practice for Conditioning Electrical Insulating Materials for Testing
适用范围:1.1 This practice covers procedures for conditioning electrical insulating materials (although not necessarily to equilibrium) prior to testing and the conditions under which they shall be tested. In g...
实施日期:1997-02-10
XCT type moving coil indicating controllers for use in industrial-process measurement and control systems
适用范围: 本标准规定了工业过程测量和控制系统用XCT型动圈式指示调节仪的型式、基本参数和尺寸、技术要求、试验方法和检验规则。 本标准适用于具有位式、时间比例(脉冲式)和比例积分微分(直流电源连续输出)控制方式的XCT型...
实施日期:2000-01-01
实施日期:2004-01-01
Ophthalmic implants -- Intraocular lenses -- Part 9: Multifocal intraocular lenses
适用范围:ISO 11979-9:2006 is applicable to any intraocular lens whose optic provides two or more rotationally symmetric powers and whose primary indication is the correction of aphakia with the added benefit of...
发布日期:2006-09-01 实施日期:2006-09-01
Textile floor coverings. Determination of the mass per unit area of the use surface of needled floor coverings
实施日期:2001-12-01
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