北京君智知识产权代理事务所-知识产水产业局审批

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text: 国家知识产权局

link: www.sipo.gov.cn

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text: 欧洲专利局

link: www.european-patent-office.org

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text: 美国专利商标局

link: www.uspto.gov

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text: 北京知识产权局

link: www.bjipo.gov.cn

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text: 中国专利信息网

link: www.patent.com.cn

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text: 世界知识产权组织

link: www.wipo.int

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