实施日期:2009-10-31
Fu und Beinschutz. Anforderungen und Prüfverfahren für durchtrittsichere Einlagen und Zehenkappen Foot and leg protectors. Requirements and test methods for toecaps and penetration resistant inserts Pr...
适用范围:This European Standard specifies requirements and test methods for toe caps and inserts with resistanceagainst mechanical penetration, intended to function as components of PPE footwear (e.g. as descri...
实施日期:2010-06-30
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
Surface acoustic wave (SAW) resonators; part 3: standard outlines and lead connections; identical with IEC 61019-3:1991
适用范围:Explains details to perform drawings. Figure 1 and the sheets 1 to 6 illustrate designation and dimensioning of the object and tabulating the corresponding data.
Electrical strength of insulating materials. Test methods. Part 1 : tests at power frequencies.
Standard Specification for Precipitation Hardening Iron Base Superalloy Bars,Forgings,and Forging Stock for High-Temperature Service
适用范围:<p id="s00002">1.1 This specification covers hot-finished or cold-finished precipitation hardening iron base superalloy bars, forgings, and forging stock for high-temperature service. The mechanical ...
实施日期:2010-04-01
Calcium aluminate cement - Composition, specifications and conformity criteria
适用范围:This European Standard gives a general definition of calcium aluminate cement and its composition. Itincludes requirements for the mechanical, physical and chemical properties and also states theconfor...
实施日期:2007-04-01
Vordruck fuer Bauartspezifikation. Hochbelastbare Festwiderstaende (Bewertungsstufe S) Harmonized System of Quality Assessment for Electronic Components Blank Detail Specification:Fixed Power Resistors...
适用范围:Fixed resistors, Power resistors, Resistors, Electrical components, Electronic equipment and components, Quality assurance systems, Assessed quality, Qualification approval, Approval testing, Inspectio...
实施日期:1997-09-15
Low-voltage electrical installations. Part 4-444:Protection for safety. Protection against voltage disturbances and electromagnetic disturbances
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
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