CN213781394U - 一种防静电地板教学用具 - Google Patents
一种防静电地板教学用具 Download PDFInfo
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- CN213781394U CN213781394U CN202023339018.4U CN202023339018U CN213781394U CN 213781394 U CN213781394 U CN 213781394U CN 202023339018 U CN202023339018 U CN 202023339018U CN 213781394 U CN213781394 U CN 213781394U
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CN202023339018.4U CN213781394U (zh) | 2020-12-30 | 2020-12-30 | 一种防静电地板教学用具 |
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CN202023339018.4U CN213781394U (zh) | 2020-12-30 | 2020-12-30 | 一种防静电地板教学用具 |
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Assignee: Zhanjiang Haihan Technology Co.,Ltd. Assignor: GUANGDONG COUNTRY GARDEN POLYTECHNIC Contract record no.: X2022980024999 Denomination of utility model: An anti-static floor teaching tool Granted publication date: 20210723 License type: Common License Record date: 20221206 |
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Assignee: Zhanjiang Bailin Technology Co.,Ltd. Assignor: GUANGDONG COUNTRY GARDEN POLYTECHNIC Contract record no.: X2022980025541 Denomination of utility model: An anti-static floor teaching tool Granted publication date: 20210723 License type: Common License Record date: 20221209 |
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Assignee: Zhanjiang Shengyi Technology Co.,Ltd. Assignor: GUANGDONG COUNTRY GARDEN POLYTECHNIC Contract record no.: X2022980026165 Denomination of utility model: An anti-static floor teaching appliance Granted publication date: 20210723 License type: Common License Record date: 20230103 |
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Assignee: Guangzhou Qiaosi Software Development Co.,Ltd. Assignor: GUANGDONG COUNTRY GARDEN POLYTECHNIC Contract record no.: X2023980042520 Denomination of utility model: A teaching tool for anti-static flooring Granted publication date: 20210723 License type: Common License Record date: 20230925 |
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