Don't let copy yourself! - 100 years Polish Patent Office
100 anniversary of the establishment of the Polish Patent Office
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POSTERS - Patent Office Poster Competition
100 anniversary of the establishment of the Polish Patent Office
POSTERS - Patent Office Poster Competition
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POSTERS - Patent Office Poster Competition
The Ministry of Culture and National Heritage awards in the 14th Polish Patent Office poster competition (artist category). The theme edition was 閱讀更多
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