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JP2005326092A
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Used edible oil regenerating apparatus
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Heating device for liquid
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Direct contact type of hot water heater fitted with water level regulator
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Method for controlling start of combustion of direct contact type warm water heater
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Direct contact type hot water heater with water scattering preventer
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Ignition burner in premixing burner
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Hot water heating circulation device of hot water storage tank
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Direct-contact type hot water heater
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Direct contact type water heater
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Method and device for forming spiral waveform on metallic cylindrical pipe
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Multitubular type vertical boiler
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Method and apparatus for heating oils or fats
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Vertical type water-tube boiler
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