US PATENT SUBCLASS 166 / 102
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Current as of: June, 1999
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DEFINITION
Classification: 166/102
(under the class definition) Devices used below ground level and so designed that (1) by working on them above ground and reassembling all or some of their parts, adding or omitting a part or rearranging or adjusting parts they are changed from devices classifiable in Class 166 to ones which function as devices classifiable in other classes, or (2) by working on them above ground and reassembling all or some of their parts or adding or omitting a part their mode of operation may be changed.
