CN205487103U - 一种随机分布的凹凸防伪结构 - Google Patents
一种随机分布的凹凸防伪结构 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107092948A (zh) * | 2017-05-16 | 2017-08-25 | 李峰 | 一种基于立体结构三维码的防伪结构及防伪方法 |
CN110348553A (zh) * | 2019-06-30 | 2019-10-18 | 华中科技大学 | 一种随机三维码的激光标刻方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107092948A (zh) * | 2017-05-16 | 2017-08-25 | 李峰 | 一种基于立体结构三维码的防伪结构及防伪方法 |
WO2018210076A1 (zh) * | 2017-05-16 | 2018-11-22 | 李峰 | 结构三维码及防伪方法 |
CN110348553A (zh) * | 2019-06-30 | 2019-10-18 | 华中科技大学 | 一种随机三维码的激光标刻方法 |
CN110348553B (zh) * | 2019-06-30 | 2021-01-26 | 东莞市恒德光电设备制造有限公司 | 一种随机三维码的激光标刻方法 |
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Effective date of registration: 20171107 Address after: 571900 Hainan provincial high-tech industrial demonstration zone Hainan Ecological Software Park Patentee after: Hainan Tian Jian Software Development Co., Ltd. Address before: 570102 Haikou, Datong Road, Hainan, Overseas Chinese Building, No. 17, building 3, No. 906 Patentee before: Li Feng |
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Effective date of registration: 20200422 Address after: No.19 Xinghai Road, national high tech Industrial Development Zone, Xiuying District, Haikou, Hainan Patentee after: HANNAN TIAN JIAN ANTI-FORGERY SCIENCE&TTECHNOLOGY Co.,Ltd. Address before: 571900 Hainan provincial high-tech industrial demonstration zone Hainan Ecological Software Park Patentee before: Hainan Tian Jian Software Development Co., Ltd. |
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