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Class Information
Number: 172/399
Name: Earth working > With ground support vertically adjustable relative to frame > With power take-off from plural wheels
Description: Apparatus in which power derived from the rolling motion of a plurality of ground wheels as the apparatus is propelled over the ground is used to move said wheels or other ground wheels vertically with respect to the frame.










Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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