CN217003778U - 一种楼道火灾监控报警装置 - Google Patents
一种楼道火灾监控报警装置 Download PDFInfo
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- CN217003778U CN217003778U CN202220396875.8U CN202220396875U CN217003778U CN 217003778 U CN217003778 U CN 217003778U CN 202220396875 U CN202220396875 U CN 202220396875U CN 217003778 U CN217003778 U CN 217003778U
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220396875.8U CN217003778U (zh) | 2022-02-25 | 2022-02-25 | 一种楼道火灾监控报警装置 |
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| CN202220396875.8U CN217003778U (zh) | 2022-02-25 | 2022-02-25 | 一种楼道火灾监控报警装置 |
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| CN217003778U true CN217003778U (zh) | 2022-07-19 |
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| CN202220396875.8U Active CN217003778U (zh) | 2022-02-25 | 2022-02-25 | 一种楼道火灾监控报警装置 |
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Effective date of registration: 20241210 Address after: Room 305, 3rd Floor, Zone 2, Building B, Hongxianghong Enterprise Incubation Base, Beiqijia Town, Changping District, Beijing 102209 Patentee after: Beijing Jiandun Security Service Co.,Ltd. Country or region after: China Address before: Room 102, 1st Floor, Unit 1, Commercial Building 3 #, Huayuxinyuan, Guangyang District, Langfang City, Hebei Province 065000 Patentee before: Langfang Longtu Network Technology Co.,Ltd. Country or region before: China |