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G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
G01D15/28—Holding means for recording surfaces; Guiding means for recording surfaces; Exchanging means for recording surfaces
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FR552135D1921-10-101921-10-10Perfectionnements aux appareils enregistreurs
ExpiredFR552135A
(fr)