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标题: ISO 6336-1-2019 [打印本页]

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作者: yupeifeng2004    时间: 2020-9-4 13:45:13     标题: ISO 6336-1-2019

ISO 6336-1-2019 Calculation of load capacity of spur and helical gears —Part 1:Basic principles, introduction and general influence factors

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作者: admin    时间: 2020-9-5 10:29:01

谢谢您的分享,金币已奖励!

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