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PCE
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DIFF Subgroup
F16F 1/376

having projections, studs, serrations or the like on at least one surface ( , F16F1/387 take precedence)

Introduced: January 1995

Title

Titles differ between systems:

IPC: having projections, studs, serrations or the like on at least one surface

CPC: having projections, studs, serrations or the like on at least one surface ( , F16F1/387 take precedence)

Full Title

Full titles differ between systems:

IPC:

Springs > made of plastics, e.g. rubber; made of material having high internal friction > characterised by having a particular shape > having projections, studs, serrations or the like on at least one surface

CPC:

Springs (working with fluid F16F5/00, F16F9/00) > made of rubber or other material having high internal friction, > characterised by having a particular shape > having projections, studs, serrations or the like on at least one surface ( , F16F1/387 take precedence)

No child classifications to compare. This is a leaf node in both IPC and CPC.