ICS91.080CCSP20DB11北京市地方标准古建筑木结构现场勘查技术规范Technicalspecificationforsitereconnaissanceandsurveyoftimberstructuresonancientbuildings2023-12-25发布2024-04-01实施北京市市场监督管理局发布DB11/T2185—2023DB11/T2185—2023I目次前言..................................................................................II1范围...........................................
