TY  - BOOK
AU  - Chaffee,Wilbur Johnson
TI  - Practical arc welding : : a text book / 
CY  - Ohio
PB  - Habart Trade School
KW  - SOLDADURA
KW  - WELDING
KW  - ELECTRODES
KW  - ARC WELDING
KW  - SOLDADURA POR ARCO
ER  -