History

Time	Change
2020-07-16 04:43:16+00:00	Associated with 貴ガス
2020-07-16 04:43:16+00:00	Associated with noble gas
2020-07-16 04:43:16+00:00	Associated with rare gas
2020-07-16 04:43:16+00:00	Associated with 稀ガス