DIFF Subgroup
H05B 3/84 Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
Introduced: January 1990
Full Title
Ohmic-resistance heating > Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1990.
Child Classifications
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- H05B 3/86 the heating conductors being embedded in the transparent or reflecting material since 1990 IPC+CPC Available in IPC and CPC