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Chào mừng đến với tiện ích Firefox cho Android.
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Patents Search Engine 20110922
bởi Search Master
Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office (USPTO)
Giới thiệu về Tiện ích này
With Google Patents, you can now search the full text of the U.S. patent corpus and find patents that interest you
