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Spur and Helical Gear Design

Spur and Helical Design Power Point File Presented at CPAC seminar.
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p8lc{a"m,fS&HJ3J [[i] 本帖最后由 zhanghui 于 2008-4-21 21:32 编辑 [/i]]

thank you so much, got one.

现在用不到，保存资料。