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PCE
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DIFF Subgroup
F01L 3/08

Valves guides; Sealing of valve stem, e.g. sealing by lubricant

Introduced: September 1968

Title

Titles differ between systems:

IPC: Valve guides; Sealing of valve stem, e.g. sealing by lubricant

CPC: Valves guides; Sealing of valve stem, e.g. sealing by lubricant

Full Title

Full titles differ between systems:

IPC:

Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof > Valve guides; Sealing of valve stem, e.g. sealing by lubricant

CPC:

Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof > Valves guides; Sealing of valve stem, e.g. sealing by lubricant

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

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