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折り返し棒式熱交換器には特許ライセンスが必要ですか?

2016-05-22View Original

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生産、購入「折り返し棒式熱交換器」には特許ライセンスが必要ですか? 折流棒式熱交換器は新しいタイプの熱交換器で、海外で開発され、国内ではSunPowerなどが導入しています
Reply #22016-05-22
折流棒式熱交換器は、国内では既に洛陽院によって開発設計されている。
Reply #32016-05-29
国内メーカーの設計や設計院の設計で、なぜ海賊版の侵害ではないと証明できるのか?、独自の創造か?

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