CPC Subgroup
G04B 37/08 Hermetic sealing of openings, joints, passages or slits
Full Title
Cases > Hermetic sealing of openings, joints, passages or slits
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G04B 37/10 of winding stems
- G04B 37/11 of the back cover of pocket or wrist watches