US PATENT SUBCLASS 324 / 75
.~ By stroboscopic means

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

74  DF  TESTING AND CALIBRATING ELECTRIC METERS (E.G., WATT-HOUR METERS) {1}
75.~ By stroboscopic means

DEFINITION

Classification: 324/75

(under subclass 74) Subject matter in which the testing or calibrating is done by stroboscopic means.

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems, appropriate subclasses, for flashing lamp systems.

356, Optics: Measuring and Testing,

23+, for optical stroboscopes.