enum IFCUnit {
AbsorbedDoseUnit,
AmountOfSubstanceUnit,
AreaUnit,
DoseEquivalentUnit,
ElectricCapacitanceUnit,
ElectricChargeUnit,
ElectricConductanceUnit,
ElectricCurrentUnit,
ElectricResistanceUnit,
ElectricVoltageUnit,
EnergyUnit,
ForceUnit,
FrequencyUnit,
IlluminanceUnit,
InductanceUnit,
LengthUnit,
LuminousFluxUnit,
LuminousIntensityUnit,
MagneticFluxDensityUnit,
MagneticFluxUnit,
MassUnit,
PlaneAngleUnit,
PowerUnit,
PressureUnit,
RadioActivityUnit,
SolidAngleUnit,
ThermoDynamicTemperatureUnit,
TimeUnit,
VolumeUnit,
UserDefined
};