Home / Standards / GBT 3480.3-2021 GBT 3480.3-2021 Calculation of load capacity of spur and helical gears — Part 3: Calculation of tooth root bending strength 直齿轮和斜齿轮承载能力计算 第3部分:齿根弯曲强度计算 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A