FR1005585A - Dispositif pour l'obtention automatique de petits déplacements, aotamment en vue dela fabrication de réseau de diffraction
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Dispositif pour l'obtention automatique de petits déplacements, aotamment en vue dela fabrication de réseau de diffraction
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G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
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FR1005585D1947-08-141947-08-14Dispositif pour l'obtention automatique de petits déplacements, aotamment en vue dela fabrication de réseau de diffraction
ExpiredFR1005585A
(fr)