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UNE 22091:1956

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UNE 22091:1956

EFFICIENCY CALCULATION OF METAL MINES.

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$6.86 tax incl.

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$15.60 tax incl.

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Author AENOR
Editor AENOR
Document type Standard
Format File
ICS 73.020 : Mining and quarrying
Number of pages 4
Year 1950
Country Spain