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nostr:npub1004n3j0x9ewm5chyjhpeqeyvdfqvm7cxc2qchmuqf5ts7stl48nq9d2jyr
消防隊装備品のISO規格あるだろうなぁと思ったけどやっぱりあった
ISO 21942:2019Station uniform for firefighters
https://www.iso.org/standard/72255.html
https://www.youtube.com/watch?v=OwC7vMaiERc
