specially adapted for insertion in flat panels, e.g. in door or window-pane

Full Title

Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening > Air-flow control members, e.g. louvres, grilles, flaps or guide plates > specially adapted for insertion in flat panels, e.g. in door or window-pane

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

HEATING; RANGES; VENTILATING

Subclass:

AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING