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来源: 于 2016-03-08 12:53:08 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Both visas are valid for 10 years. B-1/B-2 visa can be used for both tour and business, and B-2 only can be used as tourist. Your fater may just apply for B-2 visa if he will not participate in business matter this time and in the future.