US PATENT SUBCLASS 73 / 599
.~.~.~ Attenuation measurement

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

570  DF  VIBRATION {10}
584  DF  .~ By mechanical waves {13}
596  DF  .~.~ Beamed {10}
599.~.~.~ Attenuation measurement {1}
600  DF  .~.~.~.~> For flaw or discontinuity detection

DEFINITION

Classification: 73/599

Attenuation measurement:

(under subclass 596) Subject matter for measuring the attenuation of energy transmitted through the test body or the energy reflected from the surface of the body.

(1) Note. The measurement indicates microstructure, paper pulp composition, surface reflection characteristics, etc.