标准摘要
[中文适用范围]： 本文件建立了系统结构和参考名称制定的规则，并为建筑工程和建筑服务领域的系统提供了类别。 本文件还规定了对象的分类以及用于对象出现的参考名称的相应字母代码。 本文件不适用于制造商或系统相关的个人名称（例如库存号或序列号）或产品类型（例如商品号或零件号）。 [外文原描述]： This document establishes rules for structuring of systems and the formulation of reference designations and provides classes for systems in the field of construction works and building services. This document also specifies a classification of objects and corresponding letter codes for use in reference designations of object occurences. This document is not intended for manufacturers or system-related designations of individuals (e.g. inventory number or serial number) or for product types (e.g. article number or parts number).
英文名称Industrial systems, installations and equipment and industrial products — Structuring principles and reference designations — Part 12: Construction works and building services