TY - GEN AU - Leake,K. AU - Henthorne,N.J.(jtauth) TI - Electric arc welding T2 - Questions & answers SN - 0408001321 U1 - 671.5212 PY - 1974/// CY - [S.l.] PB - Newnes Technical Books KW - Welding-Examination, question N1 - HB ER -