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Class Information
Number:
33/501.3
Name:
Geometrical instruments
>
Gauge
>
Comparator
>
Hand held
>
Plural contact probes
> Only four probes
Description:
Subject matter wherein the comparator has only four contact members.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
5548901
Centering tool for cylinder gauge
Aug. 27, 1996
5377421
Centering tool for cylinder gauge
Jan. 3, 1995
4809440
In dial bore gages
Mar. 7, 1989
4574487
Effective diameter gages
Mar. 11, 1986
4240206
Ovality measuring device and method
Dec. 23, 1980
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