US PATENT SUBCLASS 171 / 1
METHODS OF RECOVERING BURIED OBJECTS

Current as of: June, 1999
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171 /   HD   UNEARTHING PLANTS OR BURIED OBJECTS

1METHODS OF RECOVERING BURIED OBJECTS

DEFINITION

Classification: 171/1

(under the class definition) Method or process steps included.

SEE OR SEARCH CLASS

299, Mining or In Situ Disintegration of Hard Material,

7+, for a process of excavating or breaking up hard material

in situ and separating valuable constituents thereof.