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日期:2024-07-20
Complete Patent Searching Database and Patent Data Analytics Services. ... Note that most fields support Phrase (ABST/"cardboard box"), Proximity (ABST/"cardboard box"~5), Wildcard (ABST/card*), and Leading Wildcard ......
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日期:2024-07-16
The official website of the European Patent Office (EPO). Find information on applying and searching for patents, legal issues on patents, patent grants, rules and regulations about ......
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日期:2024-07-16
Home page of the United States Patent and Trademark Office's main web site....
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日期:2024-07-16
美國專利商標局(US Patent and ... Google Patent Search 美國專利搜尋網站....
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日期:2024-07-18
The US Patent and Trademark Office (
PTO) offers World-Wide Web (Web) ......
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日期:2024-07-18
由於這個網站的 robots.txt, 因此無法提供此結果的說明 – 瞭解詳情。...
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日期:2024-07-16
2013年9月30日 - See this important information about searching for patents: ... How to Conduct a Preliminary U.S. Patent Search: A Step by Step Strategy - Web ......