US PATENT SUBCLASS 200 / 82 B
.~.~ High voltage

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

81 R  DF  FLUID PRESSURE {8}
82 R  DF  .~ Piston {5}
82 B.~.~ High voltage

Unofficial Alpha Subclasses: R B C D DA E

DEFINITION

Classification: 200/82

(under subclass 81) Devices in which the fluid acts on a piston which moves in a cylinder.