CN217804084U - 一种人性化黑板 - Google Patents
一种人性化黑板 Download PDFInfo
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- CN217804084U CN217804084U CN202222304955.9U CN202222304955U CN217804084U CN 217804084 U CN217804084 U CN 217804084U CN 202222304955 U CN202222304955 U CN 202222304955U CN 217804084 U CN217804084 U CN 217804084U
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- 238000004140 cleaning Methods 0.000 claims abstract description 98
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 239000000976 ink Substances 0.000 description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001083847 Berberis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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CN202222304955.9U CN217804084U (zh) | 2022-08-30 | 2022-08-30 | 一种人性化黑板 |
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CN202222304955.9U CN217804084U (zh) | 2022-08-30 | 2022-08-30 | 一种人性化黑板 |
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CN217804084U true CN217804084U (zh) | 2022-11-15 |
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CN202222304955.9U Active CN217804084U (zh) | 2022-08-30 | 2022-08-30 | 一种人性化黑板 |
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CN (1) | CN217804084U (zh) |
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2022
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20231019 Address after: No. 302, Building 88, Shuolikuang West Village, Duji District, Huaibei City, Anhui Province, 235000 Patentee after: Wang Chuanzhi Patentee after: Cai Changye Address before: 510000 3f-i02, No. 58, xueshantang street, Yongping street, Baiyun District, Guangzhou, Guangdong Patentee before: Guangzhou Friendship Education Technology Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231109 Address after: 230000 Comprehensive Building Office 1807, No. 1, Jinjinmingjun, No. 203 Wangjiang West Road, Shushan District, Hefei City, Anhui Province Patentee after: Anhui Shengxin Education Technology Co.,Ltd. Address before: No. 302, Building 88, Shuolikuang West Village, Duji District, Huaibei City, Anhui Province, 235000 Patentee before: Wang Chuanzhi Patentee before: Cai Changye |
|
TR01 | Transfer of patent right |