>>20
次は水道展の誘致
https://www.horiba.com/jpn/water-liquid/news-events/events/detail/news/10/2023/%E6%B0%B4%E9%81%93%E5%B1%95-2023/

トイレ展
https://www.jma.or.jp/homeshow/tokyo/about/industry.html