China 'GB/T 3480.1-2019
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 3480.1-2019
Calculation of load capacity of spur and helical gears—Part 1: Basic principles, introduction and general influence factors 直齿轮和斜齿轮承载能力计算 第1部分:基本原理、概述及通用影响系数
Issued Date:2019-12-31
Implemented Date:2020-07-01
Issued by:
The Standardization Administration of the People's Republic of China
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