国家知识产权局办公室关于开展2021年全国专利调查工作的通知

2026-04-30 网络整理佚名690

Key Point:国知办函规字〔2021〕522号各有关省、自治区、直辖市知识产权局，四川省知识产权服务促进中心：根据工作计划，2021年继续开展全国专利调查工作。

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