CN205122031U - 一种摩擦力教学装置 - Google Patents
一种摩擦力教学装置 Download PDFInfo
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- CN205122031U CN205122031U CN201520846990.0U CN201520846990U CN205122031U CN 205122031 U CN205122031 U CN 205122031U CN 201520846990 U CN201520846990 U CN 201520846990U CN 205122031 U CN205122031 U CN 205122031U
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- 238000005516 engineering process Methods 0.000 description 2
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CN201520846990.0U CN205122031U (zh) | 2015-10-29 | 2015-10-29 | 一种摩擦力教学装置 |
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CN201520846990.0U CN205122031U (zh) | 2015-10-29 | 2015-10-29 | 一种摩擦力教学装置 |
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CN205122031U true CN205122031U (zh) | 2016-03-30 |
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CN201520846990.0U Expired - Fee Related CN205122031U (zh) | 2015-10-29 | 2015-10-29 | 一种摩擦力教学装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110400506A (zh) * | 2019-07-11 | 2019-11-01 | 清华大学 | 多功能研究型力学综合测试分析平台及实施方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110400506A (zh) * | 2019-07-11 | 2019-11-01 | 清华大学 | 多功能研究型力学综合测试分析平台及实施方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Wu Jianglong Inventor after: Chen Yongqing Inventor after: Liu Daichun Inventor after: Sun Chao Inventor before: Feng Lishu |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170602 Address after: 264000 No. 78 View Road, Laishan District, Shandong, Yantai Patentee after: YANTAI XTD TEST TECHNOLOGY CO., LTD. Address before: Yongchun County of Quanzhou City, Fujian province 362618 a Zhenlong Qingcun No. 38 Patentee before: Feng Lishu |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20181029 |
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CF01 | Termination of patent right due to non-payment of annual fee |