CPC Subgroup
F27B 3/18 Arrangements of devices for charging
Full Title
Hearth-type furnaces, e.g. of reverberatory type (F27B9/00, F27B11/00, F27B13/00, F27B14/00, F27B15/00, F27B21/00 take precedence); Electric arc furnaces > Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces > Arrangements of devices for charging
1 direct subcode
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