CN214196071U - 一种用于博物馆使用的电动关门器 - Google Patents
一种用于博物馆使用的电动关门器 Download PDFInfo
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- CN214196071U CN214196071U CN202022347109.6U CN202022347109U CN214196071U CN 214196071 U CN214196071 U CN 214196071U CN 202022347109 U CN202022347109 U CN 202022347109U CN 214196071 U CN214196071 U CN 214196071U
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TR01 | Transfer of patent right |
Effective date of registration: 20230414 Address after: 201400 No. 459, Nanzhong Road, Nanqiao Town, Fengxian District, Shanghai Patentee after: Jiuda (Shanghai) Media Technology Co.,Ltd. Patentee after: Beijing Longhui Century International Exhibition Co.,Ltd. Address before: 710000 No. 4, floor 2, door 1, building 4, block 38, Jinkang Road, Xincheng District, Xi'an City, Shaanxi Province Patentee before: Chen Haozhen |
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Effective date of registration: 20230524 Address after: Room 61, Room 1001, 10th Floor, Unit 1, Building 3, Yard 6, Automobile Museum East Road, Fengtai District, Beijing, 100000 Patentee after: Beijing Sikongda Construction Engineering Co.,Ltd. Address before: 201400 No. 459, Nanzhong Road, Nanqiao Town, Fengxian District, Shanghai Patentee before: Jiuda (Shanghai) Media Technology Co.,Ltd. Patentee before: Beijing Longhui Century International Exhibition Co.,Ltd. |
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TR01 | Transfer of patent right |