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Homepage>UNE standards>UNE 22091:1956 EFFICIENCY CALCULATION OF METAL MINES.
in stockReleased: 1956-01-15
UNE 22091:1956 EFFICIENCY CALCULATION OF METAL MINES.

UNE 22091:1956

EFFICIENCY CALCULATION OF METAL MINES.

Cálculo de los rendimientos en las minas metálicas.

CURRENCY
18.82 USD
Standard number:UNE 22091:1956
Pages:4
Released:1956-01-15
DESCRIPTION

This standard UNE 22091:1956 EFFICIENCY CALCULATION OF METAL MINES. is classified in these ICS categories:

  • 73.020
Categories:
UNE standards
73.020 Mining and quarrying
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