2023??5??23???????????????????????й?????·?????????????????????Freight Rail Couplers and Parts Thereof????????????????????????й??????δ????????￡?????й???????????169.90%???????????????????????139.49%??????????ó??????ITC????????2023??7??6???????????????????á??????漰????Э????????8607.30.1000???μ?????

2022??10??19??????????????Coalition of Freight Coupler Producers??2022??9??28??????????????????????????????й?????·?????????????????????????????????????顢???????ī???????·??????????????????????????????顣2023??2??28???????????????????????й?????·????????????????????????????????????á?2023??3??8???????????????????????й?????·????????????????????????????????????á?2023??4??27??????????????????????ī???????·????????????????????????????????????á?2023??5??16???????????????????й?????·????????????????????????????????????á?

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https://www.trade.gov/final-determination-ad-investigation-certain-freight-rail-couplers-china