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  1. 1

    Estimating machining costs. by Parsons, C. W. S., 1892-

    Published 1957
    Book
  2. 2
  3. 3

    Planning and estimating underground construction by Parker, Albert D.

    Published 1970
    Book
  4. 4

    Machine-shop estimating. by Nordhoff, William A.

    Published 1960
    Book