1.

図書
図書
1. American machinist gear book : simplified tables and formulas for designing, and practical points in cutting all commercial types of gears. Rev. ed.
by Charles H. Logue
出版情報: New York : McGraw-Hill Book Company, c1915
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2.

図書
図書
2. American machinist gear book : simplified tables and formulas for designing, and practical points in cutting all commercial types of gears. 3rd ed
by Charles H. Logue ; thoroughly revised by Reginald Trautschold
出版情報: New York : McGraw-Hill, 1922
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