CN206728234U - 一种音视频联动的远程集音器 - Google Patents
一种音视频联动的远程集音器 Download PDFInfo
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Denomination of utility model: Long -range sound collector of audio frequency and video linkage Effective date of registration: 20200722 Granted publication date: 20171208 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SANGDENA ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2020330000527 |
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