UL 497A-2001 通信电路的辅助保护装置.pdf文档页数：84文档大小：1.6MB文档格式：pdf UL 497AISBN -7629-0626-X Secondary Protectors forCommunications CircuitsMARCH 20 .2001 -UL 497AUnderwriters Laboratories Inc .( UL) 333 Pfingsten RoadNorthbrook .IL 60062-2096...

NFPA 78 2020 Guide on Electrical Inspections.pdf文档页数：34文档大小：4.43MB文档格式：pdf NFPA78 Guide onElectrical Inspections2020 IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA STANDARDSNFPA codes ,standards ,remended practices ,and guides ( "NFPASta...

UL 1684A-2007 Standard for Supplemental Requirements for Extra Heavy Wall Reinforced Thermosetting Resin Conduit （RTRC） and Fittings.pdf文档页数：16文档大小：207.05KB文档格式：pdf 1684Asbn0-7629-1000-3 Supplemental Requirementsfor Extra Heavy WallReinfo...

UL 1581-2008 Reference Standard for Electrical Wires Cablesand Flexible Cords.pdf文档页数：156文档大小：872.92KB文档格式：pdf UL UL1581 ⑧ Underwriters Laboratories Inc . Standard for SafetyReference Standard forElectrical Wires ,Cables ,andFlexible Cords...

UL 8-2007 Water Based Agent Fire Extinguishers.pdf文档页数：56文档大小：1.05MB文档格式：pdf UL 8isbn0-7629-1038-0 Water Based Agent FireExtinguisherswas B2039882200481M L COPYRIGHTED MATERIALNOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT P...

NFPA 72 2010 National Fire Alarm and Signaling Code.pdf文档页数：367文档大小：7.23MB文档格式：pdf 72National Fire Alarm andSignaling Code2010 Edition .bfxw . NFPA ,1 Batterymarch Park ,Quincy ,MA 02169-7471An International Codes and Standards Organization...

NFPA 55 2020 压缩气体和低温液化气体规程.pdf文档页数：159文档大小：9.56MB文档格式：pdf NFPA 55 Compressed Gases and Cryogenic Fluids Code 2020 NFPA IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA STANDARDS NFPA codes,standards,remended practices,and guid...

NFPA 25 2020 Standard for the Inspection, Testing, and Maitenance of Water Based.pdf文档页数：文档大小：13.91MB文档格式：pdf...

NFPA 24 2007 Standard for the Installation of Private Fire Service Mains and Their Appurtenances.pdf文档页数：55文档大小：1.9MB文档格式：pdf NEPA 24Standard for theInstallation ofPrivate Fire Service Mainsand Their Appurtenances2007 EditionNFPANFPA ,1 Bat...

UL 50V-2007 INFRARED VIEWPORTS.pdf文档页数：14文档大小：335.26KB文档格式：pdf ay11,2007 SUBJECT 50VOUTLINE OF INVESTIGATIONFORINFRARED VIEWPORTSISSUE NUMBER :1may11,2007 Summary of TopicsThis is the First issue of the Outline of Investigation for Infrared...

UL 555-2006 Fire Dampers 防火阀标准.pdf文档页数：40文档大小：787.88KB文档格式：pdf UL555 isbn0-7629-1165-4 Fire DampersCOPYRIGHTED MATERIALNOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULreproduction networking permitted f...

UL 1977-2009 Component Connectors for Use in DataSignalControl and Power Applications.pdf文档页数：30文档大小：527.39KB文档格式：pdf UL UL1977 ⑧ Underwriters Laboratories Inc . Standard for SafetyComponent Connectors forUse in Data ,Signal ,Controland Po...

UL 448 2007 消防服务用离心固定泵Centrifugal Stationary Pumps for Fire-Protection Service.pdf文档页数：24文档大小：871.12KB文档格式：pdf UL448 Centrifugal Stationary Pumpsfor Fire-Protection ServiceUL COPYRIGHTED MATERIALNOT AUTHORIZED FOR FURTHER REPRODUC...

NFPA 5000 2006建筑结构和安全规范.pdf文档页数：593文档大小：10.61MB文档格式：pdf NFPATentative Interim AmendmentNFPA 5000Building Construction and Safety CodeR2006 EditionReference :A .16.3.4.3.4TIA 06-1 ( NFPA5000 ) sc06-7-27)/Log No .844) Pursuant to Sec...

ASCE1984 美国输电铁塔设计导则（中文版）文档页数：103文档大小：19.75MB文档格式：pdf 输电铁塔设计导则 美国土木工程师协会(ASCE)结构分部 输电结构委员会 最新版本手册52工作委员会编制 1986年9月17日 水利电力部电力建设研究所译 1988年2月 输电线路设计导则 翻译 矫平法...

NFPA 20 2007消防固定水管的安装.pdf文档页数：105文档大小：3.37MB文档格式：pdf NEPA 20Standard for theInstallation of Stationary Pumpsfor Fire Protection2007 EditionNFPA ,1 Batterymarch Park ,Quincy ,MA 02169-7471An International Codes and Standards Organiz...

UL 20-2008 Genernal-use snap switch.pdf文档页数：88文档大小：1.06MB文档格式：pdf UL UL 20⑧ Underwriters Laboratories Inc . Standard for SafetyGeneral-Use Snap SwitchesCOPYRIGHTED MATERIALNOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERM...

NFPA 1035 2000 公共消防培训员专业资格鉴定 Public Fire Educator Professional Qualifications.pdf文档页数：文档大小：749.07KB文档格式：pdf...

NFPA 80 2007 Standard for Fire Doors and Other Opening Protectives.pdf文档页数：87文档大小：1.56MB文档格式：pdf NEPA 80Standard forFire Doors andOther Opening Protectives2007 EditionNFPA ,1 Batterymarch Park ,Quincy ,MA 02169-7471An International Codes an...

UL 555 2006 Fire Dampers 防火阀中文版.pdf文档页数：22文档大小：938.87KB文档格式：pdf UL555 isbn0-7629-1165-4 防火阀 美国安全检测实验室公司(UL) 地址:诺斯布鲁克市五旬节路333号 邮编:60062-2096 防火阀安全标准UL555 2006年7月12日,第七版 主题摘要 防火阀标准第七版...