ENVIROGRAF
FIRE PROTECTIVE CLOTHING; FIRE BLANKETS AND FIRE ALARMS(Based on 44(e)) FIRE EXTINGUISHING AND FIREPROOFING APPARATUS, NAMELY, ELECTRONIC CONTROL UNITS WHICH OPEN AND CLOSE THE SHUTTERS OF FIRE AND SMOKE GRILLS IN AIR DUCTS, KITCHEN EXHAUST DUCTS AND VENT DUCTS, AND ELECTROMAGNETIC TIMED DOOR HOLDERS TO HOLD DOORS OPEN FOR A PREDETERMINED TIME PERIOD
Cancelled · August 11, 2000 · 76108087 ·
