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PCE
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CPC Subgroup
E01F 9/646

extensible, collapsible or pivotable (E01F9/627, E01F9/631 take precedence)

Full Title

Arrangement of road signs or traffic signals; Arrangements for enforcing caution (for obstructing or restricting traffic E01F13/00) > Upright bodies, e.g. marker posts or bollards; Supports for road signs > characterised by form or by structural features, e.g. for enabling displacement or deflection > extensible, collapsible or pivotable (E01F9/627, E01F9/631 take precedence)