IMPA Code 330503 PORTABLE OXYGEN INDICATOR, OX-1C, RIKEN KEIKI | GASALERTMAS XT O2, HONEYWELL , USA (2011-1)
IMPA Code 330506 POCKETABLE OXYGEN INDICATOR, OX-07 TYPE A, RIKEN KEIKI | OX-07B, GAS DETECTED: OXY.IN AIR, 0.0~40.0%VOL MAX 5000 HOURS, 66(W)X114(H)X33(D)MM (2009-8)
IMPA Code 330511 PORTABLE GAS DETECTOR, COMPLETE GAS INDICATOR, TYPE-18 | CHANGE FI-21 (53 TYPE) (2010-4)
