"pritchard, r t. "
workshop processes for mechanical engineering technicians vo: lume 1/ r.t. pritchard - 1 ed. - uk : e u p 1963. - "xv, 214p.; 22 cm."
hard cover
621. 9 pri
workshop processes for mechanical engineering technicians vo: lume 1/ r.t. pritchard - 1 ed. - uk : e u p 1963. - "xv, 214p.; 22 cm."
hard cover
621. 9 pri