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PCE
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DIFF Subgroup
F16D 25/0635

with flat friction surfaces, e.g. discs

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Fluid-actuated clutches > in which the fluid actuates a piston incorporated in the clutch > the clutch having friction surfaces > with clutch members exclusively moving axially > with flat friction surfaces, e.g. discs

CPC:

Fluid-actuated clutches > in which the fluid actuates a piston incorporated in, the clutch (F16D25/02 takes precedence) > the clutch having friction surfaces > with clutch members exclusively moving axially > with flat friction surfaces, e.g. discs

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

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  • F16D 25/0638 with more than two discs, e.g. multiple lamellae since 1990 IPC+CPC Available in IPC and CPC