US PATENT SUBCLASS 218 / 150
.~.~ Material


Current as of: June, 1999
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218 /   HD   HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES

1  DF  ARC PREVENTING OR EXTINGUISHING DEVICES {14}
149  DF  .~ Arc chute assembly {2}
150.~.~ Material


DEFINITION

Classification: 218/150

Material:

(under subclass 149) Subject matter where significant details of the arc chute constituent are included.