安哥拉方面的进口方需要提供税号清关，在提供该税号之前无法预知关税金额。

All Importers into Angola must provide a tax card number before clearance can commence (duties and taxes cannot be calculated before this number is provided).

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由于该垫圈也不符合美国海关税则子目8484.10的文字描述，因此不能归入此税号。

Again, since neither gasket was constructed as required by the language of heading 8484, they could not be classified in subheading 8484.10, HTSUS.

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