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sklademVydáno: 1956-01-15
UNE 22091:1956
EFFICIENCY CALCULATION OF METAL MINES.
Cálculo de los rendimientos en las minas metálicas.
CURRENCY
| Označení normy: | UNE 22091:1956 |
| Počet stran: | 4 |
| Vydáno: | 1956-01-15 |
DESCRIPTION
This standard UNE 22091:1956 EFFICIENCY CALCULATION OF METAL MINES. is classified in these ICS categories:
- 73.020
Categories: