UNE 21621-4:1995 (R2021)
Active , Reaffirmed Standard
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UNE 21621-4:1995 (R2021)

ELECTRICAL INSTALLATIONS FOR OUTDOOR SITES UNDER HEAVY CONDITIONS (INCLUDING OPEN-CAST) MINES AND QUARRIES). PART 4: REQUIREMENTS FOR THE INSTALLATION.
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Publisher Asociacion Espanola de Normalizacion y Certificacion (AENOR)
Publication Date 02/01/1995
Confirmation Date 02/16/2021
Page Count 28
EAN ---
ISBN ---
Weight (in grams) ---

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