CN215421312U - 一种智能巡检视频切换控制器的防护结构 - Google Patents
一种智能巡检视频切换控制器的防护结构 Download PDFInfo
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Effective date of registration: 20220117 Address after: 116045 room 1725, 17th floor, Kechuang building, No. 131, Guangxian Road, high tech Industrial Park, Dalian, Liaoning Patentee after: Dalian Zhangwo Data Technology Co.,Ltd. Address before: 065000 No. 51, Jinguang Road, Guangyang District, Langfang City, Hebei Province Patentee before: Yang Quanbo Patentee before: Zhang Shu Patentee before: Yu Dong Patentee before: Wang Jian Patentee before: Wang Ning Patentee before: Yu Chunxiao Patentee before: Huang Shan Patentee before: Zhang He |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20220104 |