"pritchard, r t. "
technician workshop and materials: / r.t. pritchard - 2 ed. - uk : hodder and stoughton 1979. - "ix, 321p.; 22 cm."
0-340-22100-3
machine-shop practice
612. 75 pri
technician workshop and materials: / r.t. pritchard - 2 ed. - uk : hodder and stoughton 1979. - "ix, 321p.; 22 cm."
0-340-22100-3
machine-shop practice
612. 75 pri