Machine for cutting tubes and the like
作者： Verney Jean Louis Francois
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lens.org 参考文章(7)
Kenneth V Hart, Method of and means for shaping the ends of tubes ,(1934)
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Bradley Ross Edward, Method and means for tube cutting ,(1920)
Borzym Alexander, Cut-off mechanism ,(1937)
Hugo John, Machine for cutting or dividing girders, angle-irons, &c. ,(1901)
Johannes Krueger, Device for cutting figured iron. ,(1908)
Marshall Burns Lloyd, Mechanism for cutting tubing and the like into lengths. ,(1913)