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by interengaging tongues and slots

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Industry

  • CPC
  • B31B3/50
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B31Paper goods B31BMAKING BOXES, CARTONS, ENVELOPES OR BAGS OF PAPER OR CARDBOARD B31B3/00Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs

Current Industry

B31B3/50by interengaging tongues and slots
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