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Patent 相關快捷整理
USPTO (2020-05-31)
Taiwan (2020-05-31)
Reference
Patent 相關快捷整理
USPTO (2020-05-31)
USPTO Full Text Search (美國專利全文檢索)
USPTO Applications Full Text Search (美國專利申請全文搜索)
Taiwan (2020-05-31)
經濟部智慧財產局網站
號碼檢索
布林檢索
進階檢索
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· Last modified: 2020/05/31 08:25 by
jethro
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