US PATENT SUBCLASS 356 / 132
.~.~.~ Reflective optical member

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

128  DF  REFRACTION TESTING (E.G., REFRACTOMETERS) {5}
130  DF  .~ Differential {1}
131  DF  .~.~ With servo controlled optical member {1}
132.~.~.~ Reflective optical member

DEFINITION

Classification: 356/132

(under subclass 131) Subject matter wherein the controlled optical member is of the reflective type.