2020??8??19??????????????????棬????????й???????????????Hydrofluorocarbon Blends????????????????????????й?????????????HFC?????R-32?????????飩??R-125????????飩??R-143a??1,1,1,-???????飩?????????????????????????????Χ???永????????????3824.78.0020??3824.78.0050??

2015??7??16???????????????????????й????????????????з????????????飬?永???????????3824.78.0000??2903.39.2030??2016??6??22?????????????????????????й??????????????????????????????á?2019??6??18????the American HFC Coalition??????????????????????й????????????????з???????????顣2020??4??10???????????????????й????????????????????????á?

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https://www.federalregister.gov/documents/2020/08/19/2020-18158/anti-circumvention-inquiry-of-antidumping-duty-order-on-hydrofluorocarbon-blends-from-the-peoples