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N351298 · 2025-08-12 — The tariff classification of Lentiviral Vector from China
Lentiviral vector is derived from a HIV-1 lentivirus that has been modified by removal of viral replication genes including deletions that result in a self-inactivating lentiviral vector. The lentiviral vector is produced in a HEK293T cell line and purified from the HEK293T cells using multiple different biomanufacturing techniques and is sterile filtered. The lentiviral vector is formulated in a salt-based solution and is frozen at -80°C for long-term storage and shipment. In your letter, you stated the lentiviral vector will be utilized exclusively for research and development of prototypes…
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