US PATENT SUBCLASS 235 / 103.5 E
.~.~ Extensometers

Current as of: June, 1999
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235 /   HD   REGISTERS

103  DF  ROTATION COUNTERS {2}
103.5 R  DF  .~ Comparing {1}
103.5 E.~.~ Extensometers

Unofficial Alpha Subclasses: R E

DEFINITION

Classification: 235/103.5

(under subclass 103) Subject matter comprising instruments for comparing the number of rotations made by two or more shafts or other pieces of machinery.