Instalaciones eléctricas en minas a cielo abierto y canteras.
ELECTRICAL INSTALLATIONS FOR OPEN-PIT MINES AND QUARRIES. SCOPE AND DEFINITIONS.
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29.260.10 / Electrical installations for outdoor use
73.020 / Mining and quarrying
CTN 22/SC 1 - Mineral raw materials
It is cancelled by: UNE 21621-1:1995
It is cancelled by: UNE 21621-2:1996
It is cancelled by: UNE 21621-3:1995
It is cancelled by: UNE 21621-4:1995
It is cancelled by: UNE 21621-5:1996
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