CN207786657U - 一种物理实验用阻力教学实验装置 - Google Patents
一种物理实验用阻力教学实验装置 Download PDFInfo
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CN110459107A (zh) * | 2019-07-10 | 2019-11-15 | 安徽迅科智能技术有限公司 | 一种组合式智能楼宇弱电系统实训装置 |
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CN110459107A (zh) * | 2019-07-10 | 2019-11-15 | 安徽迅科智能技术有限公司 | 一种组合式智能楼宇弱电系统实训装置 |
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Denomination of utility model: A resistance teaching experimental device for physics experiment Effective date of registration: 20210811 Granted publication date: 20180831 Pledgee: HARBIN GONGYANG SCIENCE & TECHNOLOGY CONSULTATION Co.,Ltd. Pledgor: Zhang Hao Registration number: Y2021230000030 |
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Date of cancellation: 20220307 Granted publication date: 20180831 Pledgee: HARBIN GONGYANG SCIENCE & TECHNOLOGY CONSULTATION Co.,Ltd. Pledgor: Zhang Hao Registration number: Y2021230000030 |
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