US PATENT SUBCLASS 244 / 78
.~.~ Fluid

Current as of: June, 1999
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244 /   HD   AERONAUTICS

75 R  DF  AIRCRAFT CONTROL {8}
76 R  DF  .~ Automatic {10}
78.~.~ Fluid

DEFINITION

Classification: 244/78

(under subclass 76) Systems for automatically controlling aircraft by means of hydraulic or pneumatic apparatus.