2021??11??8???9???????????ó??????CITT????????????????CBSA??????????棬??????????????й????????????????????Copper Pipe Fittings??????????η????????臨??????????, ??????????????й???????????????η????????臨?????????顣?永?????????????7412.10.00.11??7412.10.00.19??7412.10.00.90??7412.20.00.11??7412.20.00.12??7412.20.00.19??7412.20.00.90?????????????2021??12??16????????????臨???????????????????????????????2022??4??7???????????臨???????????á?

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