- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 39/60 - Machinery characterised by making lined envelopes or bags and having means for uniting opposed surfaces or edges, or for taping
Patent holdings for IPC class B31B 39/60
Total number of patents in this class: 0
10-year publication summary
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Principal owners for this class
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Other owners | 0 |