KITAGAWA、 KOMYO RIKAGAKU KOGYO K K 氣體檢測管 174B 氮氧化物(NO,NO2,分別測定)燃焼器具用 174B 和更多型號
Gas Detector Tube 174B Nitrogen Oxide (NO, NO2, Separation Measure) for Combustion Appliance <With Calibration Certificate, Certificate Of Test, Traceability System Diagram> and others