米国特許商標庁(USPTO) 商標_動画(embedded) vol.11

1.IP Attaché Program, 4:17
https://youtu.be/Z2J_J2DY2-c

2.IP Attaché at USPTO, 3:03

uspto.gov/learning-and-resources/ip-policy/intellectual-property-rights-ipr-attach-program/intellectual?MURL=IPAttache" rel="noopener" target="_blank">IP Attaché Program

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