73784616
Mar 6, 1989
Oct 24, 1989
DUCTING; HEATING JACKETS AND HEATING COVERINGS, ALL EMPLOYING HEATING ELEMENTS; HEATED PANELS; SOUND ATTENUATORS FOR DAMPING NOISE IN AIR CONDITIONING DUCTS; ALL THE AFORESAID GOODS BEING FOR USE IN SPACE HEATING AND AIR CONDITIONING INSTALLATIONS
Environmental Control Apparatus