| 000 | 00810cam a22001811 4500 | ||
|---|---|---|---|
| 082 |
_a671.521 _bCOP _cL-24, P-2 |
||
| 100 |
_aCommittee on Minimum Requirements of Instructions for Welding Operators in Trade Schools _945265 |
||
| 110 | 2 |
_aAmerican Welding Society. _936062 |
|
| 245 | 1 | 0 |
_aCode of minimum requirements for instruction of welding operators... _cPrepared by Committee on Minimum Requirements of Instructions for Welding Operators in Trade Schools... |
| 250 | _a1942 | ||
| 260 |
_aNew York, N.Y., _bAmerican Welding Society, _cc1942- |
||
| 300 |
_aiv, 83 P, : _billus., tables (1 fold.) diagrs. _c23 cm. |
||
| 505 | 1 | _apt.A. Arc welding of steel 3/16 to 3/4 in. thick (tentative) | |
| 526 |
_a0 _b0 _c0 _d671_521000000000000_COP |
||
| 650 | 0 |
_aMCE _9379 |
|
| 650 | 0 |
_aWelding _9189 |
|
| 942 |
_2ddc _cBK |
||
| 999 |
_c548830 _d548830 |
||