Tooth Proportions for Fine-Pitch Spur and Helical Gearing
细齿距直齿轮和斜齿轮的齿比

1993-01-01

Tooth Proportions for Fine-Pitch Spur and Helical Gearing (Metric Edition)
细齿距正齿轮和斜齿轮的齿比（公制版）

Specification for fine pitch gears.-Involute spur and helical gears
细齿距齿轮规范

1968-01-31

Specification for fine pitch gears (metric module)-Involute spur and helical gears
细齿距齿轮规范（米制模数）

1970-03-27