73.100.01: Mining equipment in general

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  1. UNE-EN 1127-2:2003+A1:2008

    Explosive atmospheres - Explosion prevention and protection - Part 2: Basic concepts and methodology for mining

    standard by UNE-EN, 12/22/2008.

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    Historical Editions: UNE-EN 1127-2:2003

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  2. UNE 22547-1:2007

    Electrical apparatus for mines. Apparatus for control of the insulation of a.c. power systems by injection of d.c. Part 1: Systems with a rated voltage up to 1 100 V.

    standard by UNE, 10/03/2007.

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