EN 14141-2004 Valves for natural gas transportation in pipelines - Performance requirements and tests .pdf 未知 完整、英文原版ASME BPVC.V-2021 SECTION V 2021版 ASME锅炉与压力容器规范 第五部分:无损检测.pdf PDF 26.48MB 1015页 英文原版 IEC 60502-1:2021 额定电压为1kV(U_s=1.2kV)至30kV(U_s=36kV)的挤出绝缘电力电缆及其附件从1千伏(Us=1.2千伏)到30千伏(Us=36千伏) -第1部分:适用于额定电压为1kV(Us=1.2kV)和3kV(Us=3.6kV)的电缆.pdf PDF 1.35MB 59页 BS EN 1670-2007 Building hardware - Corrosion resistance - Requirements and test methods.pdf 未知 UL 62-2018 STANDARD FOR SAFETYFlexible Cords and Cables.pdf PDF 4.74MB 159页 BS EN 215-2004 Thermostatic radiator valves - Requirements and test methods.pdf 未知 ABS 船级社 起重机械认证指南(2025年)(英文版).pdf PDF 30.11MB 284页 BS EN 12569-1999 Industrial valves - Valves for chemical and petrochemical process industry - Requirements and tests.pdf 未知 UL 507 Electric Fans.pdf PDF 3.59MB 218页 BS EN 12266-2:2002 Industrial valves-Testing of valves-Part 2: Tests test procedures and acceptance criteria-Supplementary requirements.pdf 未知 EM 385-1-1 安全和职业健康要求 Safety and Occupational Health Requirements(2024英文版).pdf PDF 4.92MB 757页 ANSI B16.41-1983 Functional Qualification Requirements for Power Operated Active Valve Assemblies for Nuclear Power Plants.pdf 未知 2022版《成都市未来公园社区建设导则》.pdf PDF 16.45MB 63页 BS EN 12056-1:2000 Gravity drainage systems inside buildings - General and performance requirements.pdf 未知