Description
“FOR SMOKE DEDECTOR
MAKER:OKI DENKI BONSAI
TYPE:FD 8311
SERIAL NO:3201-4500
” “OPTO ELECTRIC TYPE SMOKE DEDECTOR
OKI DENKI BOHSAI CO.LTD. FUKUSHIMAWORKS 9-1,OHMORI AZA HINOSHITA
FUKUSHIMA CITY
;DRAWING NO:RA1711-4050” OKI DENKI BONSAI.FD 8311 (OKI).6
