https://www.digital.archives.go.jp/item/en/4800655

[Items] "肥料の名称又は登録事項変更に基づく登録証の書替交付について", 令2農水E0050100-0004200, National Archives of Japan Digital Archive, https://www.digital.archives.go.jp/item/en/4800655accessed 2026-06-09