「美しく、消えない炎」を実現した東京2020聖火リレートーチの燃焼機構は、アウトドア向けバーナー技術から生まれた

written by Yasushi Hisatomi
written by Yasushi Hisatomi
written by Yasushi Hisatomi
written by Yasushi Hisatomi
written by Outdoor Gearzine 編集部
written by Yasushi Hisatomi
written by Kazuya Toujyou
written by Yasushi Hisatomi