CPC Subgroup
F23L 13/02 pivoted about a single axis but having not other movement (formed as linked slats each pivoted about an axis F23L13/08)
Full Title
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)
1 direct subcode
Child Classifications
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- F23L 13/04 with axis perpendicular to face