with parallel simultaneously tiltable lamellae

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 > movable, e.g. dampers > built-up of tilting members, e.g. louvre > with parallel simultaneously tiltable lamellae

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