2020??8??4??????????????????棬????????й???????????Diamond Sawblades and Parts?????з?????????????臨?????????顣????????????ó?????????????й????????????з?????????????臨?????????????飬???????????з??????????????????????????永???????????????????????????????????????????????????????????????淢???????10???????????????????????????????????2020??9??2?????????????ó????????????????????????2020??10??16???e???????????????????????ó?????????????????

2005??6??21??????????????????棬????????й?????????????????з????????????顣2009??1??23?????????????й?????????????????????????2011??10??24????????????????永???????????????????????????????????ó????????й??永?????????????????????臨????????ú?2015??9??28????????????????й??永?????????????

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https://www.federalregister.gov/documents/2020/08/03/2020-16733/diamond-sawblades-and-parts-thereof-from-china-institution-of-a-five-year-review

https://www.federalregister.gov/documents/2020/08/04/2020-16879/initiation-of-five-year-sunset-reviews