DIFF Subgroup
G01K 3/10 in respect of time, e.g. reacting only to a quick change of temperature
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Thermometers giving results other than momentary value of temperature > giving differences of values; giving differentiated values > in respect of time, e.g. reacting only to a quick change of temperature
CPC:
Thermometers giving results other than momentary value of temperature (G01K7/42 takes precedence) > giving differences of values (using thermoelectric elements G01K7/02); giving differentiated values > in respect of time, e.g. reacting only to a quick change of temperature
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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