作废 JB/T 4264-1999
启闭风门绞车 启闭风门绞车 Changing ventilation winch
发布日期:1999-06-28
实施日期:2000-01-01
分类信息
标准简介
相似标准/计划/法规
JB/T 4264-2010
启闭风门绞车
Changing ventilation winch
2010-02-21
AT-15-004
A History of the Changing Concepts on Health-Care Ventilation
医疗通风观念转变的历史
NT-87-27-2
Methods for Estimating Air Change Rates and Sizing Mechanical Ventilation Systems for Houses
房屋换气率和机械通风系统尺寸的估算方法
SE-14-C027
Multizone Air Change and Airflow in Two Houses Under Operation of Different Whole-Building Ventilation Systems
不同整栋建筑通风系统运行下两栋房屋的多区域换气和气流
LB-17-C006
Cross Infection due to Pathogen Transport in Indoor Environments: Investigative Study Assessing Impact of Ventilation Type, Air Changes, and Furniture
室内环境中病原体传播引起的交叉感染:评估通风类型、换气和家具影响的调查研究
ASTM E3258-25
Standard Guide for Evaluation of Changes to the Thermal, Moisture and Ventilation Performance of Existing Roof Enclosures (with Vented or Sealed Attic or Rafter Spaces)
现有屋顶围护结构(带通风或密封阁楼或椽子空间)热、湿度和通风性能变化评估的标准指南
2025-03-01
风门绞车启闭

最后更新时间 2025-08-30