CPC Subgroup
B31B 50/59 Shaping sheet material under pressure (by folding B31B50/26; embossing B31B50/88)
Full Title
Making rigid or semi-rigid containers, e.g. boxes or cartons > Shaping sheet material under pressure (by folding B31B50/26; embossing B31B50/88)
2 direct subcodes
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