DIFF Subgroup
B23K 35/40 Making wire or rods for soldering or welding
Introduced: September 1968
Full Title
Rods, electrodes, materials, or media, for use in soldering, welding, or cutting > Making wire or rods for soldering or welding
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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