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G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01B3/00—Measuring instruments characterised by the use of mechanical techniques
G01B3/18—Micrometers
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FR513148A1917-12-181918-12-18Dispositif d'ajustage des tiges mesureuses des micromètres des machines à mesurer et des appareils analogues
ExpiredFR513148A
(fr)