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British Thomson Houston Co Ltd
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British Thomson Houston Co Ltd
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Application filed by British Thomson Houston Co LtdfiledCriticalBritish Thomson Houston Co Ltd
Application grantedgrantedCritical
Publication of FR1117549ApublicationCriticalpatent/FR1117549A/fr
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
G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR1117549D1953-12-181954-12-16Appareil de mesure électrique de petites distances
ExpiredFR1117549A
(fr)