Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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POUVREAU PIERRE
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POUVREAU PIERRE
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Application filed by POUVREAU PIERREfiledCriticalPOUVREAU PIERRE
Priority to FR7233820ApriorityCriticalpatent/FR2201455B2/fr
Publication of FR2201455A2publicationCriticalpatent/FR2201455A2/fr
Application grantedgrantedCritical
Publication of FR2201455B2publicationCriticalpatent/FR2201455B2/fr
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C3/00—Measuring distances in line of sight; Optical rangefinders
G01C3/22—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object