J1豁免遲遲沒有收到USCIS的I-797,如何打電話去USCIS查詢？

來源: gimegime 於 2007-06-05 11:00:05 [舊帖] [給我悄悄話] 本文已被閱讀：次

有沒有USCIS的查詢電話？謝謝

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