2022??2??24???25???????????ó??????CITT????????????????CBSA??????????棬??????????????й???????????Oil Country Tubular Goods Pup Joints?????????η???????????????臨?????????顣?永??????????????60.3????~114.3??????????61????~366??????????????????????7304.29.00.42??7304.29.00.43??7304.29.00.44??7304.29.00.45??7304.29.00.46??7304.29.00.47??7304.29.00.49??7304.29.00.52??7304.29.00.53??7304.29.00.54??7304.29.00.55??7304.29.00.56??7304.29.00.57??7304.29.00.59??7304.29.00.62??7304.29.00.63??7304.29.00.64??7304.29.00.65??7304.29.00.66??7304.29.00.67??7304.29.00.69??7304.29.00.72??7304.29.00.73??7304.29.00.74??7304.29.00.75??7304.29.00.76??7304.29.00.77??7304.29.00.79?????????????2022??4??4????????????臨???????????????????????????????2022??7??22???????????臨???????????á?

2011??9??12?????????Alberta Oil Tool??Dover Corporation (Canada) Limited?????????2011??7??22????????????????????????????????????й????????????з???????????????????顣2012??3??12?????????????????????????????й??????????????????????????????????á?2016??8??3?????????????????????????????й????????????е???η???????????????臨?????????顣2016??11??30?????????????????????????????й??????????????????η???????????????臨????????á?

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