- All sections
- B - Performing operations; transporting
- B43K - Implements for writing or drawing
- B43K 13/02 - Devices for removing nibs; Devices for cleaning nibs, e.g. by wiping for cleaning nibs, e.g. ink reservoirs therein
Patent holdings for IPC class B43K 13/02
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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