US PATENT SUBCLASS 172 / 52
.~.~.~.~ Parallel axes

Current as of: June, 1999
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172 /   HD   EARTH WORKING

35  DF  WITH DRIVE MEANS FOR TOOL OR CLEANER {37}
48  DF  .~ Plural driven tools {6}
50  DF  .~.~ Diverse tools {3}
51  DF  .~.~.~ All rotary {1}
52.~.~.~.~ Parallel axes

DEFINITION

Classification: 172/52

(under subclass 51) Apparatus in which the axes of rotation of the diverse earth working elements are parallel to each other.