CN216443358U - 一种白板 - Google Patents
一种白板 Download PDFInfo
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- CN216443358U CN216443358U CN202122816347.1U CN202122816347U CN216443358U CN 216443358 U CN216443358 U CN 216443358U CN 202122816347 U CN202122816347 U CN 202122816347U CN 216443358 U CN216443358 U CN 216443358U
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- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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CN202122816347.1U CN216443358U (zh) | 2021-11-17 | 2021-11-17 | 一种白板 |
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CN202122816347.1U CN216443358U (zh) | 2021-11-17 | 2021-11-17 | 一种白板 |
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CN216443358U true CN216443358U (zh) | 2022-05-06 |
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Effective date of registration: 20240422 Address after: 325000, South of the East End, 2nd Floor, Building 3, Nantang Group 4, Nanhui Street, Lucheng District, Wenzhou City, Zhejiang Province Patentee after: Wenzhou Zhongrui Market Research and Research Co.,Ltd. Country or region after: China Address before: 325006 no.2555, Ouhai Avenue, Ouhai District, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG College OF SECURITY TECHNOLOGY Country or region before: China |
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