Arc welding lessons :for school and farm shop.

Arc welding lessons :for school and farm shop.
Ohio :The James F. Lincoln Arc Welding Foundat. ion,.
English
Text
xi, 343 hlm., ilus., 22 cm.
Perpustakaan PEM Akamigas DIGITAL LIBRARY PEM AKAMIGAS (Call Number: 621.791.75 Kug a.)