US PATENT SUBCLASS 702 / *
.~ Electrical/electronic engineering (364/480)

Current as of: June, 1999
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702 /   HD   DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING

*  DD  APPLICATIONS (364/400) {2}
*.~ Electrical/electronic engineering (364/480) {1}
FOR 111  DF  .~.~> Power generation or distribution (364/492) {3}