| URL | Priority | Change frequency | Last modified (GMT) |
|---|---|---|---|
| https://opps.or.jp/en/information/activity-report/participated-in-the-2nd-study-group-on-railway-maintenance-and-development-along-railway-lines/ | 60% | Monthly | 2023-06-29 02:57 |
| https://opps.or.jp/information/%e6%b4%bb%e5%8b%95%e5%a0%b1%e5%91%8a/20191121/ | 60% | Monthly | 2020-02-17 06:01 |
| https://opps.or.jp/information/%e6%b4%bb%e5%8b%95%e5%a0%b1%e5%91%8a/%e7%ac%ac3%e5%9b%9eopps%e3%83%95%e3%82%a9%e3%83%bc%e3%83%a9%e3%83%a0%e3%82%92%e9%96%8b%e5%82%ac%e3%81%97%e3%81%be%e3%81%97%e3%81%9f/ | 60% | Monthly | 2019-12-05 07:38 |