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2020??1??31???????????ó??????USITC????????????й?????????Forged Steel Fluid End Blocks?????????????????????????????1??????????????????????????????????????????????????????????????永??????????????????????????????????????????????ó????????????????永??????????????????????????????永??????з???????????????飬??????2020??3??13??????????????????2020??5??27????????????????á?
2020??1??9???????????????ó???????FEB Fair Trade Coalition????????????Ellwood Group??Finkl Steel??2019??12??19??????????????????????????????й??????????????????????飬???????1????????????????????????????????????????顣?????漰????Э????????7218.91.0030??7218.99.0030??7224.90.0015??7224.90.0045??7326.19.0010??7326.90.8688??8413.91.9055???2???????2017???????永???????????7326.90.8588????
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????https://www.usitc.gov/press_room/news_release/2020/er0131ll1248.htm