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![Announcement on Adopting the Vietnamese Version of the International patent classification 2021.01 - ANNOUNCEMENT - INTELLECTUAL PROPERTY OFFICE OF VIETNAM Announcement on Adopting the Vietnamese Version of the International patent classification 2021.01 - ANNOUNCEMENT - INTELLECTUAL PROPERTY OFFICE OF VIETNAM](https://www.ipvietnam.gov.vn/documents/20195/1068155/2021-02-09_145758.jpg/532fa1ac-0c49-4070-9af4-1a86ddc77585?t=1612857609000)
Announcement on Adopting the Vietnamese Version of the International patent classification 2021.01 - ANNOUNCEMENT - INTELLECTUAL PROPERTY OFFICE OF VIETNAM
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