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Homepage>UNE standards>UNE 22090:1955 EFFICIENCY CALCULATION OF THE COAL MINES.
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in stockReleased: 1955-02-15
UNE 22090:1955 EFFICIENCY CALCULATION OF THE COAL MINES.

UNE 22090:1955

EFFICIENCY CALCULATION OF THE COAL MINES.

Cálculo de rendimientos en las minas de carbón.

CURRENCY
14.8 USD
Standard number:UNE 22090:1955
Pages:2
Released:1955-02-15
DESCRIPTION

This standard UNE 22090:1955 EFFICIENCY CALCULATION OF THE COAL MINES. is classified in these ICS categories:

  • 73.020
Categories:
UNE standards
73.020 Mining and quarrying
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