EN 779:1993 was produced as a result of discussions in Europe in which the United Kingdom took an active part. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. ...
779:2002 Particulateair filtersforgeneral ventilation— Determinationofthe filtrationperformance TheEuropeanStandardEN779:2002hasthestatusofa BritishStandard ICS91.140.30 12&23<,1*:,7+287%6,3(50,66,21(;&(37$63(50,77('%<&23<5,*+7/$:i ...
13、tedbs en 779:2012european standardnorme europenneeuropische normics 91.140.30en 779april 2012supersedes en 779:2002english versionparticulate air filters for general ventilation - determination of thefiltration performancefiltres air de ventilation gnrale pour llimination desparticules - dterminatio...
国际标准分类中,en779-2012 pdf涉及到建筑物中的设施。在中国标准分类中,en779-2012 pdf涉及到建筑暖通、空调器材设备、大气环境有毒害物质分析方法。欧洲标准化委员会,关于en779-2012 pdf的标准EN 779:2012 微粒空气过滤器一般通风-决心的过滤性能 英国标准学会,关于en779-2012 pdf的标准...
英文名称:Standard Atmosphere — Addendum 1: Hypsometrical tables 标准状态:现行 发布日期:1985-02-07 文档简介 1.标准化的大气条件:ISO2533:1975/Add1:1985EN/FR/RUStandardAtmosphere定义了一个标准大气条件,这个条件被广泛应用于气象学、航空航天、地理学等领域。这个标准化的大气条件被设定在地球表面的一个特定...
IPC-2221C-EN TOC2023印制版设计通用标准 Generic Standard on Printed Board Design.pdf,IPC-2221C Generic Standard on Printed Board Design Developed by the IPC-2221/2222 Task Group (D-31b) of the Rigid Printed Board Committee (D-30) of IPC Users of this publ
内容提示: ICS 21.060.30Flache Scheiben mit Fase –Normale Reihe –Produktklasse A(ISO 7090 : 2000)European Standard EN ISO 7090 : 2000 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in accordance with a decision ...
【英语版】国际标准 ISO 3297:2017 EN 信息和文献 国际标准序列号 (ISSN) Information and documentation — International standard serial number (ISSN).pdf,ISO 3297:2017 EN Information and documentation — International standard serial number (ISSN) 是国际标准
JIS Z 3198-7 JIS Z 3198-7 2003 (EN) Japanese Industrial Standard日本工业标准2003 (EN) Japanese Industrial Standard日本工业标准 jis z3198-72020-05-04 上传大小:1166KB 所需:10积分/C币 JIS Z 3198-7:2003 无铅焊料试验方法第7部分:片状元件焊点剪切强度的测定方法 - 完整英文版(7页) ...
文档格式:PDF | 页数:35 | 浏览次数:779 | 上传日期:2017-08-04 09:08:15 | 文档星级: EUROPEAN STANDARD EN 60068-2-64 NORME EUROPÉENNE EUROPÄISCHE NORM September 2008 CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komi...