MAKER:516.850.900 “OPTICAL SMOKE AND HEAT DETECTOR
MAKER – THORN SECURITY LTD
TYPE – 851PH
SR.NO – (516.850.055)” TYCO FIRE AND SECURITY GmbH.NA.516.850.055
MAKER:516.850.900 “ONISATION SMOKE DETECTOR
MAKER – APOLLO FIRE DETECTORS LIMITED
TYPE – EN54-7:2000
SR.NO – (55000-217-APO)” TYCO FIRE AND SECURITY GmbH.NA.55000-217-APO