CN220118013U - 一种人防门 - Google Patents
一种人防门 Download PDFInfo
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- CN220118013U CN220118013U CN202321068545.7U CN202321068545U CN220118013U CN 220118013 U CN220118013 U CN 220118013U CN 202321068545 U CN202321068545 U CN 202321068545U CN 220118013 U CN220118013 U CN 220118013U
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- 230000007123 defense Effects 0.000 title claims abstract description 84
- 239000004568 cement Substances 0.000 claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
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Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321068545.7U CN220118013U (zh) | 2023-05-06 | 2023-05-06 | 一种人防门 |
Applications Claiming Priority (1)
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CN202321068545.7U CN220118013U (zh) | 2023-05-06 | 2023-05-06 | 一种人防门 |
Publications (1)
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CN220118013U true CN220118013U (zh) | 2023-12-01 |
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CN202321068545.7U Active CN220118013U (zh) | 2023-05-06 | 2023-05-06 | 一种人防门 |
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CN (1) | CN220118013U (zh) |
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2023
- 2023-05-06 CN CN202321068545.7U patent/CN220118013U/zh active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240105 Address after: 401421 zone a, Qiaohe Industrial Park, Qijiang District, Chongqing Patentee after: Chongqing Yangfei Applied Technology Research Institute Co.,Ltd. Address before: No. 15, Group 5, Silian Village, Laojun Town, Hantai District, Hanzhong City, Shaanxi Province, 723000 Patentee before: Zhou Fei |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240122 Address after: 401336 Shuangbei Community, Daping Village, Yinglong Town, Nan'an District, Chongqing City Patentee after: Chongqing Yangtian Machinery Manufacturing Co.,Ltd. Country or region after: China Address before: 401421 zone a, Qiaohe Industrial Park, Qijiang District, Chongqing Patentee before: Chongqing Yangfei Applied Technology Research Institute Co.,Ltd. Country or region before: China |