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PCE
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CPC Subgroup Additional Only
H05K 2203/1147

Sealing or impregnating, e.g. of pores

Full Title

Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00 > Treatments characterised by their effect, e.g. heating, cooling, roughening > Sealing or impregnating, e.g. of pores