About KAWAMURA SUSUMU
About デンソー
About エネルギー・資源
About carbon dioxide
About refrigerant
About heat pump
About hot water supplying apparatus
About evaporator(thermal engineering)
About ejector
About space heating
About frosting
About Heating
About 需要家
About 低炭素社会
About 自然冷媒
About CO2ヒートポンプ給湯機