with provision for reduction of the distance into the horizontal plane

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CPC
G01C3/28

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Parent Industries

GPHYSICS G01Measuring instruments G01CMEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY G01C3/00Measuring distances in line of sight optical rangefinders

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G01C3/28with provision for reduction of the distance into the horizontal plane

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Patents Grantslast 30 patents

Information Patent Grant
Surveying instrument and method
- Patent number 4,113,381
- Issue date Sep 12, 1978
- Hewlett-Packard Company
- James Stephen Epstein
- G01 - MEASURING TESTING