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问题	专利年限
释义	根据我国法律，发明专利权的专利年限为二十年，实用新型专利权和外观设计专利权的专利年限为十年，均自申请日起算。法律依据：《中华人民共和国专利法》第四十二条发明专利权的期限为二十年，实用新型专利权和外观设计专利权的期限为十年，均自申请日起计算。
随便看	国家规定给员工缴纳社会保险的标准？企业必须为职工交社保吗劳动法中公司给员工缴纳社保的具体规定是什么如果企业不按规定给职工缴纳保险用人单位必须为员工缴纳什么保险？企业职工的劳动保险费是什么？员工是否应该交保险？企业必须给员工购买劳动保险吗企业是否必须为员工购买社会保险？企业必须为员工缴纳哪些保险企业为员工缴存的五险一金有什么规定用人单位应给职工缴纳那些保险单位是否为员工缴纳社会保险？档案整理保密需要怎么做？视听资料的质证流程书证和视听资料的重合民事诉讼质证顺序离职证明内容怎么改正本提单的作用离职证明电子版的公章提单是物权凭证吗电子版离职证明怎么弄海运提单是物权凭证吗保险单和保险凭证民事诉讼质证顺序是怎样的 cost accounting Cost Analysis cost-and-benefit sharing cost and freight cost and freight cost and freight ... named port of destination cost basis cost bill cost burden cost calculation cost contract cost-deducted and profit-sharing wage system cost for collision action costing cost, insurance and freight cost, insurance and freight cleared cost, insurance and freight duty paid cost, insurance and freight ex ship's hold cost, insurance and freight inland waterway cost, insurance and freight landed terms cost, insurance, and freight liner terms cost, insurance and freight ... named port of destination cost, insurance and freight net cost, insurance, freight cost, insurance, freight and interest

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