CN209855618U - 一种对开式自动防火封堵装置 - Google Patents
一种对开式自动防火封堵装置 Download PDFInfo
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110905093A (zh) * | 2019-12-30 | 2020-03-24 | 李景海 | 一种建筑贯穿孔洞模块化的自动防火封堵装置 |
CN114592764A (zh) * | 2020-12-05 | 2022-06-07 | 北京机械设备研究所 | 一种基于液压缸的保温舱盖控制系统和方法 |
CN114922544A (zh) * | 2022-04-14 | 2022-08-19 | 江苏科技大学 | 一种核电门 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110905093A (zh) * | 2019-12-30 | 2020-03-24 | 李景海 | 一种建筑贯穿孔洞模块化的自动防火封堵装置 |
CN114592764A (zh) * | 2020-12-05 | 2022-06-07 | 北京机械设备研究所 | 一种基于液压缸的保温舱盖控制系统和方法 |
CN114922544A (zh) * | 2022-04-14 | 2022-08-19 | 江苏科技大学 | 一种核电门 |
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Effective date of registration: 20210621 Address after: No. 777, Tiebei 4th Road, Changchun City, Jilin Province, 130000 Patentee after: JI LIN HENGAN ELECTRON MACHINERY Co.,Ltd. Address before: 130000 9 Changsheng street, Kuancheng District, Changchun City, Jilin Province Patentee before: Li Jinghai |
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Effective date of registration: 20231201 Address after: No.102, Building 22, Liwang Kangcheng Middle Zone (Phase I of Plot D), Jinqian Road, Erdao District, Changchun City, Jilin Province, 130000 Patentee after: Jilin Province Guoyu Construction Group Co.,Ltd. Address before: No. 777, Tiebei 4th Road, Changchun City, Jilin Province, 130000 Patentee before: JI LIN HENGAN ELECTRON MACHINERY Co.,Ltd. |