标准摘要
[中文适用范围]： 指定一般工程和重型工程的直齿轮和斜齿轮的法向模数值。 取代第一版。 [外文原描述]： Specifies the values of normal modules for straight and helical gears for general engineering and for heavy engineering. Replaces the first edition.
英文名称Cylindrical gears for general engineering and for heavy engineering — Modules