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Publication of FR972955ApublicationCriticalpatent/FR972955A/fr
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
G01C15/10—Plumb lines
Landscapes
Physics & Mathematics
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Engineering & Computer Science
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General Physics & Mathematics
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Radar, Positioning & Navigation
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Remote Sensing
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FR972955D1948-10-021948-10-02Fil à plomb avec mécanisme d'enroulement automatique intérieur du fil, pour maçons ou autres emplois
ExpiredFR972955A
(fr)