Invention Grant
US09014548B2 Cooling-water heating type heater 有权
冷却水加热式加热器

Cooling-water heating type heater
Abstract:
Provided is a cooling-water heating type heater, and more particularly, a cooling-water heating type heater capable of effectively heating cooling-water, using a first pipe with a cylindrical first heating part and a second pipe with a second heating part.
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