Biblioteca SEGEMAR Koha

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Conroy, George J.

Potential uses for 400-Hz electrical power systems in mining Conroy, George J. - Washington Bureau of mines 1974 - 10 p. - RI 7857 .

Subjects--Topical Terms:
ENERGIA
ENERGY

Subjects--Index Terms: MINERIA ENERGIA ELECTRICA MINING ELECTRIC ENERGY

Universal Decimal Class. No.: 620