标准摘要
[中文适用范围]： 本文件规定了毛坯中安装和固定孔的最常见尺寸。这些安装和固定孔符合 中规定的夹紧法兰的相关尺寸 [外文原描述]： This document specifies the most common dimensions for mounting and fixing bores in blanks. These mounting and fixing bores conform to the relevant dimensions of the clamping flanges specified in ISO 21537-2.
英文名称Blanks for superabrasive cutting-off wheels — Mounting and fixing bores — Building construction and civil engineering