400V 1850W Single Tube IR Emitters Halogen Quartz Heater Tube for Preheating of Annealing Furnace Lamp Product Specifications Attribute Value Heating length 255±5mm Reflector White Working Time 5000h ...Xem thêm
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400V 1850W Single Tube Quartz Infrared Lamp with 255mm Heating Length and 1100-2600°C Filament Temperature for Preheating of Annealing Furnace