TY  - BOOK
AU  - Engineering Seminar on New Ind
TI  - Laser technology: welding, machining and saftey 15 papers presented at the engineering seminar on New industrial technology July 7-9 1969 at Penn State Univ
U1  - 621.36606 
PY  - 1970///
PB  - Engg. Pub.
ER  -