Home / Standards / GBT 3480.5-2021 GBT 3480.5-2021 Calculation of load capacity of spur and helical gears — Part 5: Strength and quality of materials 直齿轮和斜齿轮承载能力计算 第5部分:材料的强度和质量 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