米国特許商標庁 動画
USPTO バレンタインデー
1. USPTO Valentine’s Day、2:23
USPTO Valentine's Day
米国特許商標庁
米国特許商標庁 (USPTO) 商標_動画 (embedded) vol.6
This is for everyone who loves intellectual property as much as we do: Happy Valentine’s Day! This video was produced in association with the Alexandria Harmonizers.
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