CN217710392U - 一种高效隔音的阻断声屏障 - Google Patents
一种高效隔音的阻断声屏障 Download PDFInfo
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Effective date of registration: 20230609 Address after: Group 4, Jianfeng Village, Heshu Town, Peng'an County, Nanchong City, Sichuan Province 637800 Patentee after: Tang Xiaofeng Address before: No. 8, Tiancheng Road, Jiangning Binjiang Development Zone, Nanjing, Jiangsu 210039 Patentee before: Nanjing Yayu metal products Co.,Ltd. |
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Effective date of registration: 20230711 Address after: 344000 Industrial Avenue, Fubei Industrial Park, Linchuan District, Fuzhou City, Jiangxi Province Patentee after: JIANGXI TODAY ACOUSTICS TECHNOLOGY CO.,LTD. Address before: Group 4, Jianfeng Village, Heshu Town, Peng'an County, Nanchong City, Sichuan Province 637800 Patentee before: Tang Xiaofeng |
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