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PCE
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DIFF Subgroup
F23L 13/04

with axis perpendicular to face

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Construction of valves or dampers for controlling air supply or draught > pivoted about a single axis but having no other movement > with axis perpendicular to face

CPC:

Construction of valves or dampers for controlling air supply or draught > pivoted about a single axis but having not other movement (formed as linked slats each pivoted about an axis F23L13/08) > with axis perpendicular to face

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