NC 07-02-1971 Basik rack of cylindrical gears Selection of Modules《圆柱齿轮的基准齿条 模块选择》.pdf

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JB T 9050.2-1999 圆柱齿轮减速器 接触斑点测定方法.pdf

JB T 9050.3-1999 圆柱齿轮减速器 加载试验方法.pdf

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FZ T 90032-1992 纺织机械渐开线圆柱齿轮精度.pdf

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