【知財収支157位】研究開発２位の韓国、死蔵特許ばかり吐き出す [6/21] [昆虫図鑑★]

【知財収支157位】研究開発２位の韓国、死蔵特許ばかり吐き出す [6/21] [昆虫図鑑★]
https://awabi.2ch.sc/test/read.cgi/news4plus/1624237889/

last-modified: 2021-06-30 06:08:22