000 | 00604nam a2200193Ia 4500 | ||
---|---|---|---|
919 | _a023052 | ||
082 |
_a621.36606 _bN70 |
||
100 | _aEngineering Seminar on New Ind | ||
245 |
_aLaser technology _bwelding, machining and saftey 15 papers presented at the engineering seminar on New industrial technology July 7-9 1969 at Penn State Univ. |
||
260 |
_bEngg. Pub. _c1970 |
||
999 |
_c21875 _d21875 |