CPC Subgroup
E06B 7/03 Ventilating devices for inserting under upwardly-sliding windows (rain or draught deflectors E06B7/26)
Full Title
Special arrangements or measures in connection with doors or windows ( ; screening or similar protective devices E06B9/00) > for providing ventilation, e.g. through double windows; Arrangement of ventilation roses (airflow control members per se F24F13/08) > Ventilating devices for inserting under upwardly-sliding windows (rain or draught deflectors E06B7/26)