US PATENT SUBCLASS 33 / 301
.~ Process

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

300  DF  INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {23}
301.~ Process {2}
302  DF  .~.~> Borehole or tube interior study
303  DF  .~.~> Including calculation or comparison

DEFINITION

Classification: 33/301

(under subclass 300) Process.