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G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
G01M11/02—Testing optical properties
G01M11/06—Testing the alignment of vehicle headlight devices
G01M11/061—Details of the mechanical construction of the light measuring system
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FR1124514D1955-04-041955-04-04Perfectionnements aux appareils pour le réglage des projecteurs montés sur les véhicules automobiles
ExpiredFR1124514A
(fr)