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2011年3月24日 - Espacenet - patent search. ... GPI - advanced search. Espacenet. Patent search. Espacenet offers free access to more than 80 million patent ...瀏覽：900 -
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www.thefreedictionary.compat·ent - n. 1. a. A grant made by a government that confers upon the creator of an invention the sole right to make, use, and sell that invention for a set period of time.瀏覽：394
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日期：2024-09-02
11 Jul 2012 ... The European Patent Office offers access to the free patent databases ...
Espacenet - patent search....
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日期：2024-09-06
A list of online databases for a free patent search covering Canada - United
States - Europe - WIPO and the EPO free ......
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日期：2024-09-02
... practice · News & issues · Learning &
events · Home; Searching for patents ......
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日期：2024-09-04
11 Jun 2014 ... Logo European Patent Office. Espacenet ... About Espacenet; Other EPO online
services. Searching ......
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日期：2024-09-02
Listing of recent US patent applications with keyword monitoring and RSS feeds....
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日期：2024-09-02
2009年7月4日 - Find existing patents, published patent applications and other published patent documentation....
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日期：2024-09-05
A bibliographic database is a database of bibliographic records, an organized digital collection of references to published literature, including journal and newspaper articles, conference proceedings, reports, government and legal publications, patents, ...
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日期：2024-09-07
行動版 - FreePatentsOnline.com provides fast, free patent searching, with powerful features such as PDF ......
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