FR538979A - Perfectionnements apportés à la construction des instruments utilisés pour la mesure des dimensions des dents d'engrenages
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Perfectionnements apportés à la construction des instruments utilisés pour la mesure des dimensions des dents d'engrenages
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G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
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FR538979D1920-09-201921-08-02Perfectionnements apportés à la construction des instruments utilisés pour la mesure des dimensions des dents d'engrenages
ExpiredFR538979A
(fr)