| 000 | 00476nam a2200169Ia 4500 | ||
|---|---|---|---|
| 005 | 20250425160636.0 | ||
| 008 | 250425s9999 xx 000 0 und d | ||
| 041 | _aspa | ||
| 082 | _a620.4 | ||
| 245 | 0 | _aACERO AL CARBONO: EXTRACCION Y PREPARACION DE MUESTRAS | |
| 250 | _a1A ED. | ||
| 260 |
_aEcuador _bINEN _c1973 |
||
| 260 | _aS.L. | ||
| 500 | _aD-14609 s/200. INEN BIBL. 28.06.94 DONACION Impreso General NORMA INEN 106: 1973-11 1 v | ||
| 942 | _c01 | ||
| 010 | _a1012 | ||
| 999 |
_c193200 _d193200 |
||