US PATENT SUBCLASS 33 / 834
.~.~.~ Coating or surface layer thickness

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

700  DF  DISTANCE MEASURING {13}
832  DF  .~ Single contact with a work engaging support {3}
833  DF  .~.~ Adapted for a particular workpiece {3}
834.~.~.~ Coating or surface layer thickness

DEFINITION

Classification: 33/834

Coating or surface layer thickness:

(under subclass 833) Subject matter wherein the article being measured is a laminated material.