海菲曼：关于取得发明专利证书的公告
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证券日报网讯 9月8日，海菲曼发布公告称，近日，公司收到国家知识产权局颁发的两项《发明专利证书》，分别为'一种佩戴舒适的骨传导耳机及其工作方法'和'一种基于高速采样技术的安全耳机放大器'，专利号ZL202311818154.7、ZL202211220640.4，专利权人均为昆山海菲曼科技集团股份有限公司。
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