ASHRAE Guideline 42-2023 pdf download - Enhanced Indoor Air Quality In Commercial And Institutional Buildings. 提高商业和机构建筑的室内空气质量 1.PURPOSE 1.1 The pur...
IEC-60601-1-6:2013 pdf download,Medical electrical equipment - Part 1-6:General requirements for basic safety and essential performance Collateral standard:Usability. 医用电气设备...
IEC 60601-1-3:2013 pdf download, Medical electrical equipment Part 1-3: General requirements for basic safety and essential performance Collateral Standard: Radiation protection in ...
IEC 60601-1-2:2014 pdf download,Medical Electrical Equipment Part 1-2: General Requirements for Basic Safety and Essential Performance Collateral Standard: Electromagnetic Disturban...
IEC 60601-1-1:2000 pdf download,Medical electrical equipment - Part 1-1: General requirements for safety - Collateral standard: Safety requirements for medical electrical systems. 医...
NFPA 46-1973 pdf download - OUTDOOR STORAGE OF FOREST PRODUCTS. 林产品户外贮存 The intent of these recommendations is to provide fire protection guidance to minimize the fire...
NFPA 295-1972 pdf download - WILDFIRE CONTROL AND ENVIRONMENTAL IMPROVEMENT 控制野火和改善环境 This publication is for volunteer groups in small towns,suburbanand rural are...
NFPA 66-1970 pdf download,Pneumatic Conveying Systems for Handling Feed, Flour,Grain,and Other Agricultural Dusts. This standardNFPA 66-1970 is applicable to the pneumatic handling ...
ISO 22435:2024 pdf download,Gas cylinders Cylinder valves with integrated pressure regulators Specification and type testing. 气瓶 - 带集成压力调节器的气瓶阀 - 规范和...
ISO 3549:2024 pdf download,Zinc dust pigments for paints Specifications and test methods. 涂料用锌粉颜料 - 规范和试验方法. ISO 3549:2024 specifies the requirements and...
