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To-do list for Seibu 6000 series:  ·  history ·  watch ·  refresh · Updated 2022-06-01 Here are some tasks awaiting attention: Cleanup : Newly added prose Copyedit : Newly added prose

(adding for attribution) On 1 June 2022, this article was significantly expanded using material from User:XtraJovial/sandbox2 (10,000+ bytes; approx. 133%). You can find the full history of the expansion's development there. Please note that some portions were cut and altered when the expanding material was integrated into this article. XtraJovial ( talk • contribs) 19:32, 17 November 2022 (UTC) reply