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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
Serially posted in English every Friday.
毎週金曜日に連載中