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Relation: subclass

direct-childrendocumentationgraph
MeasuringDevice23Any Device whose purpose is to measure a PhysicalQuantity.^
    Altimeter2A Device that measures the vertical distance to the some reference point of the surface below. Th...^
        AbsoluteAltimeter.A type of Altimeter that measures vertical distance to the surface below, using radio, radar, son...^
        BarometricAltimeter.A type of Altimeter which measures vertical distance to the mean sea level, using pressure level ...^

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