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日期:2024-11-11
重要更新:本站美國專利全文下載已全面支持所有的美國專利公開文件、授權文件,全面支持PDF格式與TIF格式! 格式:專利申請公開號或審定授權號,申請公開號格式為4位年份+序列號組成,例如:20060100198,20050158320,共11位數字。...
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日期:2024-11-09
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日期:2024-11-07
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日期:2024-11-07
Patent Fetcher Pay-As-You-Go is a place for low-cost patent downloads. Our patent images come in the form of a single PDF file for each patent or published patent application, delivered via our high speed imaging servers. Patent Fetcher is a service of St...
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日期:2024-11-07
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日期:2024-11-08
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日期:2024-11-11
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