DIFF Subgroup
B23K 35/3612 Full Title
Rods, electrodes, materials, or media, for use in soldering, welding, or cutting > characterised by the composition or nature of the material > Selection of non-metallic compositions, e.g. coatings or fluxes (B23K35/34 takes precedence); Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.