Patent AT-E400977-T1: [Translated] SPEAKER
收藏data.gov2025-12-20 收录
下载链接：
https://catalog.data.gov/dataset/patent-at-e400977-t1-translated-speaker
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资源简介：
A small and high-performance waterproof speaker which can be manufactured inexpensively by decreasing the number of components. Front face of a case (1) is sealed...
提供机构：
U.S. Department of Health & Human Services
