CN210353656U - 一种安全书包 - Google Patents
一种安全书包 Download PDFInfo
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- CN210353656U CN210353656U CN201920179956.0U CN201920179956U CN210353656U CN 210353656 U CN210353656 U CN 210353656U CN 201920179956 U CN201920179956 U CN 201920179956U CN 210353656 U CN210353656 U CN 210353656U
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- 239000000463 material Substances 0.000 claims abstract description 5
- 238000005187 foaming Methods 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 206010013647 Drowning Diseases 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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CN201920179956.0U CN210353656U (zh) | 2019-02-01 | 2019-02-01 | 一种安全书包 |
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CN201920179956.0U CN210353656U (zh) | 2019-02-01 | 2019-02-01 | 一种安全书包 |
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CN210353656U true CN210353656U (zh) | 2020-04-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109645661A (zh) * | 2019-02-01 | 2019-04-19 | 张国欣 | 一种学生安全书包 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109645661A (zh) * | 2019-02-01 | 2019-04-19 | 张国欣 | 一种学生安全书包 |
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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: 20240417 Address after: No. 705, Gate 34, Yunguangxin Lane, Xiaoweidi Road, Hexi District, Tianjin, 300202 Patentee after: Zhang Guoxin Country or region after: China Patentee after: Han Zhijuan Address before: No. 705, Gate 34, Yunguangxin Lane, Xiaoweidi Road, Hexi District, Tianjin, 300202 Patentee before: Zhang Guoxin Country or region before: China |
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TR01 | Transfer of patent right |
Effective date of registration: 20240509 Address after: Room 510, 4th Floor, Building 5, Courtyard 3, Xinfang Road, Chaoyang District, Beijing, 100020 Patentee after: Beijing Hengxin Times Culture Co.,Ltd. Country or region after: China Address before: No. 705, Gate 34, Yunguangxin Lane, Xiaoweidi Road, Hexi District, Tianjin, 300202 Patentee before: Zhang Guoxin Country or region before: China Patentee before: Han Zhijuan |