NIPPON.NA.6 Draw No:RA1711-4050-2 [PC] Smoke detector Optoelectric type smoke detector Maker: Nippon Hakuyo electronics. FB-8311
NIPPON.NA.7 Draw No:RA1711-4050-2 [PC] TEMPERATURE SENSOR FIXED TEMPERATURE TYPE 65 HEAT DEGREE.FD-6111.
NIPPON.NA.8 Draw No:RA1711-4050-2 “[PC] FLAME DETECTOR INFRARED TYPE FLAME
DETECTOR.MAKER:NIPPON HAKUYO ELECTRONICS. FD-5112.”