CPC Subgroup
F28F 13/18 by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
Full Title
Arrangements for modifying heat-transfer, e.g. increasing, decreasing (F28F1/00 - F28F11/00 take precedence) > by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
2 direct subcodes
Child Classifications
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