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Class Information
Number:
33/315
Name:
Geometrical instruments
>
Indicator of direction of force traversing natural media
> Thermally sensitive
Description:
Device including means responsive to a change in temperature, the responser influencing the indication.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
7197343
Portable electronic apparatus with azimuth measuring function, magnetic sensor suitable for the apparatus, and azimuth measuring method for the apparatus
Mar. 27, 2007
6987460
Orientation device
Jan. 17, 2006
6453571
Thermocouple tilt sensing device
Sep. 24, 2002
5191713
Electronic tilt measuring system
Mar. 9, 1993
4779353
Tool for measuring inclination and rotation
Oct. 25, 1988
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