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2021??1??7????????????????CBSA????????????????й?????????1?????????????????????????壨Certain Hot-rolled Carbon Steel Plate and High-strength Low-alloy Steel Plate???????????????????????????????????永?????????????顣????й??????????????????????7.0%~80.6%???1????????????????6.3%~68.6%?????????ó??????CITT??????2021??2??5?????????????????á?????y??????????????????15??????????永?????????????7208.51.00.10??7208.51.00.93??7208.51.00.94??7208.51.00.95??7208.52.00.10??7208.52.00.93??7208.52.00.96??
2020??5??27?????????????????????????????й??????????1??????????????????????????????????????????????????????????????????顣2020??10??9????????????????CBSA????????????????й??????????1??????????????????????????????????????????????????????????й??????????????????????9.4%~ 97.0%???1????????????????4.8%~63.8%??????????????????????2.9%~25.8%???????????????????????????????????????????????????????????????????顣
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????https://www.cbsa-asfc.gc.ca/sima-lmsi/i-e/hp2020/hp2020-nd-eng.html