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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ULLRICH G MESSWERKZEUG KG
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ULLRICH G MESSWERKZEUG KG
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Filing date
Publication date
Application filed by ULLRICH G MESSWERKZEUG KGfiledCriticalULLRICH G MESSWERKZEUG KG
Publication of FR2154392A1publicationCriticalpatent/FR2154392A1/fr
Application grantedgrantedCritical
Publication of FR2154392B3publicationCriticalpatent/FR2154392B3/fr
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C9/00—Measuring inclination, e.g. by clinometers, by levels
G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble