CPC Subgroup
B23K 1/20 Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
Full Title
Soldering, e.g. brazing, or unsoldering (B23K3/00 takes precedence) > Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
2 direct subcodes
Child Classifications
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