US PATENT SUBCLASS 105 / 59
.~.~ Motor coolers
Current as of: June, 1999
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(under subclass 49) Devices for cooling and ventilating electric motors in locomotives.
SEE OR SEARCH CLASS
310, Electrical Generator or Motor Structure,
16, for cooling of a reciprocating electric motor of generator and subclasses 52+ for cooling of a rotary electric motor or generator.