EN 50290-2-27标准的制定和实施对于通信行业具有重要意义。它可以为通信线缆的设计和生产提供统一的测试和规范要求,保障了通信线缆的质量和性能稳定;它可以帮助用户和生产厂家在选择和应用通信线缆时有一个统一的参考标准,避免了因为选用不合格线缆而导致的通信故障和安全隐患;它可以促进通信技术的发展和应用,推动通信行...
内容提示: EUROPEAN STANDARD EN 50290-2-20NORME EUROPÉENNEEUROPÄISCHE NORM October 2001CENELECEuropean Committee for Electrotechnical StandardizationComité Européen de Normalisation ElectrotechniqueEuropäisches Komitee für Elektrotechnische NormungCentral Secretariat: rue de Stassart 35, B - 1050 Brussels...
BRITISH STANDARDBS EN 50290-2-20:2001Communication cables —Part 2-20: Common design rules and construction — GeneralThe European Standard EN 50290-2-20:2001 has the status of a British StandardICS 29.060.20; 33.120NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW...
BS EN 50290-2-21-2002 下载积分: 1500 内容提示: BRITISH STANDARDBS EN 50290-2-21:2002Incorporating Corrigendum No. 1Communication cables —Part 2-21: Common design rules and construction — PVC insulation compoundsThe European Standard EN 50290-2-21-2001 has the status of a British Standard...
The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50290-2-24 on 2001-11-01. This European Standard supersedes HD 624.4 S1:1996. The following dates were fixed: – latest date by which the EN has to be implemented at national level ...
BRITISH STANDARDBS EN 50290-2-28: 2002Communication cables —Part 2-28: Common design rules and construction — Filling compounds for filled cablesThe European Standard EN 50290-2-28:2002 has the status of a British StandardICS 33.120.10NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY ...
BS EN 50290-2-29-2002 通信电缆.一般设计规则和制造.交联聚乙烯绝缘化合物Communication cables - Common design rules and construction - Cross-linked PE insulation compounds 热度: BRITISHSTANDARD BSEN 50290-2-29: 2002 Communication cables— Part2-29:Commondesignrulesand ...
2 年 主体名称: 欧鼎检测技术(深圳)有限公司 组织机构代码: 91440300MA5H7P9PXD 报价 请来电询价 市场 中国 是否有资质 CNAS和CMA 标准号 GB、GB/T、QB/T等 关键词 EN 50290-2,低烟无卤阻燃电缆标准解读,第三方检测机构,CMA/CNAS检测,检测报告怎么做 ...
EN 50290-2-25-2013 通信电缆.第2-25部分:通用设计规则和结构.聚丙烯绝缘化合物.pdf,本规范为EN欧洲标准规范,欧洲标准的性质为成员国的国家标准与EN标准一致,有英文版和德文版两个版本,包含内容一致,其标准的内容涉及广泛,其技术领域涉及信息技术、交通运输、农业、保
BS EN 50290-2-24-2002 通信电缆 BS EN BRITISH STANDARD 50290-2-24: 2002 Communication cables ? Part 2-24: Common design rules and construction ? PE sheathing The European Standard EN 50290-2-24:2002 has the status of a British Standard ICS 29.035.20; 33.120 NO COPYING...