US PATENT SUBCLASS 37 / 195
PROCESSES

Current as of: June, 1999
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37 /   HD   EXCAVATING

195PROCESSES

DEFINITION

Classification: 37/195

(under the class definition) Methods of excavating.

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197, for a method of excavating snow.

SEE OR SEARCH CLASS

175, Boring or Penetrating the Earth,

57+, for processes of earth boring.