世界知的所有権機関(WIPO) vol.52 商標_動画(embedded)

1. In Short: WIPO Director General on 2019, 1:52

2. Top 10 Countries for International Patent Applications (1990-2019), 1:01

3. WIPO IP Services: Record Year in 2019, 40:19

4. Public Broadcast by WIPO Director General, 59:20

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