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Class Information
Number: 172/419
Name: Earth working > With ground support vertically adjustable relative to frame > Translating motion > With actuator > Screw jack type
Description: Apparatus in which the actuator comprises a pair of relatively movable threaded members.

Patents under this class:

Patent Number Title Of Patent Date Issued
8291997 Pivoting gauge wheel Oct. 23, 2012
4057112 Subsoil plow Nov. 8, 1977

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