2022??3??1??????????????????棬????????й????t??Pure Magnesium?????????η????????臨?????????顣???????????????ó??????ITC?????й??永??????????η????????臨?????????飬???????????з??????????????????????????永???????????????????????????????????????????????????????????????淢???????10???????????????????????????????????2022??3??31?????????????ó????????????????????????2022??5??16???e???????????????????????ó?????????????????

1994??4??26??????????????????棬????????й??????????????????t?????t????????????????顣1995??5??12?????????????????????????й????t???????????????????????????4?????臨?????????2000??10??27???2006??7??10???2011??11??22???2017??4??17???4???????????????

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https://www.federalregister.gov/documents/2022/03/01/2022-04202/pure-magnesium-from-china-institution-of-a-five-year-review

https://www.federalregister.gov/documents/2022/03/01/2022-04283/initiation-of-five-year-sunset-reviews