DIFF Subgroup
H05B 3/14 the material being non-metallic
Introduced: September 1968
Full Title
Ohmic-resistance heating > Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor > characterised by the composition or nature of the conductive material > the material being non-metallic
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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