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選手交代 Change of players   NT


省エネ大賞受賞技術開発の軌跡 (17)

第1章  もったいない無駄と必要な無駄

1.3 水栓哲学 VS 水道哲学



Trajectory of Energy Conservation Grand Prize-winning Technology Development (17)

Chapter 1 Wasteful Waste and Necessary Waste

1.3 Faucet philosophy VS Water supply philosophy

1.3.3 Change of the Players



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