DIFF Subgroup
B23K 35/38 Selection of media, e.g. special atmospheres for surrounding the working area
Introduced: September 1968
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 media, e.g. special atmospheres for surrounding the working area
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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