Invention Grant
US09254059B2 Device for heating water and producing steam 有权
用于加热水和生产蒸汽的设备

Device for heating water and producing steam
Abstract:
A device includes a first water heater, having a first water duct and a first heating member, and a second water heater, having a second water duct. The first water heater and the second water heater are in thermal connection with each other.
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