Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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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
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18/00
Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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G01D18/001
Calibrating encoders
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