| 000 | 00822nam a2200205 a 4500 | ||
|---|---|---|---|
| 008 | 170703s1970#### ||||f#|||||00| 0#uuu#d | ||
| 003 | AR-SmCIES | ||
| 091 | _a29437 | ||
| 245 | 1 | 0 | _aTechnical note. |
| 260 |
_aPotters Bar : _bCopper development association, _c1970. |
||
| 490 | 1 | _aTechnical note, no.2 | |
| 650 | 4 | _aCOBRE -METALURGIA | |
| 830 | _aTechnical note, no.2 | ||
| 999 |
_c20572 _d20572 |
||