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040 _cAR-sfUTN
080 _aH001 PIC
100 _aHoferichter, Andrea
245 _aMonster Drives
336 _2rdacontent
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337 _2rdamedia
_asin mediaciĆ³n
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505 _aAt open pit mines all over the world, mechanical monsters are hard at work. They dig for bituminous sand, for example, or transport tons of copper ore. By equipping the giant excavators and trucks with state-of-the-art, ultra-efficient electrical drive systems, Siemens helps its customers to save energy, time, and money
650 _aRAW MATERIALS
650 _aMINING ELECTRIFICATION
773 _tPictures of the future
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_nS.T.:H001 PIC PP3719
_g(nro. , Fall 2008), p. 20-21
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