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2019
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Invention
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Method for inhibiting progress of corrosion in air conditioners, air conditioner, and refrigerant... |
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Invention
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Method for suppressing progress of corrosion in air conditioner, air conditioner, and refrigerant... |
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2008
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Invention
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Fin-and-tube heat exchanger. A fin-and-tube heat exchanger achieves sufficient bendability with g... |
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2007
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Invention
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Fin-and-tube type heat exchanger, and its return bend pipe. Provided is a fin-and-tube type heat ... |
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2006
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P/S
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Common metals and their alloys; metal building materials; transportable building of metal; materi... |
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2004
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P/S
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Common metals and their alloys; metal building materials; transportable buildings of metal; mater... |
