luni, 20 martie 2017
BS 6907-4:1988
Electrical installations for open-cast mines and quarries. Recommendations for winning, stacking and processing machinery, pumps and low signal level and communications systems|Electrical equipment, Outdoor electric equipment, Electrical installations, Mining equipment, Mines, Quarries, Mineral extraction equipment, Production equipment, Installation, Materials handling equipment, Pumps, Communication equipment, Earth-moving equipment, Electrical safety, Wells, Electric power systems, Safety devices, Electric cables, Control devices, Control equipment, Enclosures, Emergency measures, Electrostatics, Fire safety, Circuits, Explosive atmospheres, Occupational safety, Noise (spurious signals), Safety measures, Protected electrical equipment, Industrial electrical installations, Electromagnetic induction, Electrostatic devices, Communication transmission lines, Electrical faults, Electrical components Click the banner to get it at ONLY: GBP116.00 

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