CN213748907U - 一种气密性测试装置及用于语音产品的气密性测试设备 - Google Patents
一种气密性测试装置及用于语音产品的气密性测试设备 Download PDFInfo
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Address after: 101300 No. 9-833, Government Street, Beiwu Town, Shunyi District, Beijing Patentee after: Fengmi (Beijing) Technology Co.,Ltd. Address before: 101300 Beijing Shunyi District Renhe Town Camp South Street 10 hospital 3 Building 3 floor 301 Patentee before: Fengmi (Beijing) Technology Co.,Ltd. |
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Effective date of registration: 20211215 Address after: 400071 Room 401, floor 4, No. 2, Longgang Road, guojiatuo street, Jiangbei District, Chongqing Patentee after: Fengmi (Chongqing) Innovation Technology Co.,Ltd. Address before: 101300 No. 9-833, Government Street, Beiwu Town, Shunyi District, Beijing Patentee before: Fengmi (Beijing) Technology Co.,Ltd. |