大企業と極小企業　Large companies and a very small company　

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Chapter 4 Birth of Setsuden-mushi

4.3 Energy Conservation Grand Prize

4.3.5 Sony and Sharp before and after my company

第4章 節電虫の誕生

4.3 省エネ大賞

4.3.5 私の前後にソニーとシャープ

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