CPC Subgroup
G04B 31/004 characterised by the material used
Full Title
Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor (bearings in general F16C ) > characterised by the material used
3 direct subcodes
Child Classifications
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- G04B 31/008 Jewel bearings (G04B31/04 takes precedence)
- G04B 31/012 Metallic bearings
- G04B 31/016 Plastic bearings