US PATENT SUBCLASS 33 / 23.02
.~.~ Single beam

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

18.1  DF  SCRIBER {10}
23.01  DF  .~ Pantographic {12}
23.02.~.~ Single beam

DEFINITION

Classification: 33/23.02

Single beam:

(under subclass 23.01) Subject matter wherein the tracing member and the scribing member are supported by the same elongated lever.