US PATENT SUBCLASS 388 / 909
.~ Monitoring means

Current as of: June, 1999
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388 /   HD   ELECTRICITY: MOTOR CONTROL SYSTEMS

907  DF  SPECIFIC CONTROL CIRCUIT ELEMENT OR DEVICE {13}
909.~ Monitoring means

DEFINITION

Classification: 388/909

Monitoring means:

Art collection of systems with means to monitor one or more parameters and warn of abnormal conditions.