CN205920653U - 一种教学用具 - Google Patents
一种教学用具 Download PDFInfo
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- CN205920653U CN205920653U CN201620501612.3U CN201620501612U CN205920653U CN 205920653 U CN205920653 U CN 205920653U CN 201620501612 U CN201620501612 U CN 201620501612U CN 205920653 U CN205920653 U CN 205920653U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 239000003292 glue Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 210000003141 lower extremity Anatomy 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 2
- 230000003446 memory effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620501612.3U CN205920653U (zh) | 2016-05-26 | 2016-05-26 | 一种教学用具 |
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CN201620501612.3U CN205920653U (zh) | 2016-05-26 | 2016-05-26 | 一种教学用具 |
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CN205920653U true CN205920653U (zh) | 2017-02-01 |
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CN201620501612.3U Expired - Fee Related CN205920653U (zh) | 2016-05-26 | 2016-05-26 | 一种教学用具 |
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CN (1) | CN205920653U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107895528A (zh) * | 2017-10-23 | 2018-04-10 | 董国玉 | 一种数学曲线图演示板 |
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2016
- 2016-05-26 CN CN201620501612.3U patent/CN205920653U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107895528A (zh) * | 2017-10-23 | 2018-04-10 | 董国玉 | 一种数学曲线图演示板 |
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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 | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Xiaojun Inventor before: Liu Lening |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170814 Address after: 200082 Shanghai city Yangpu District Guoquan Road No. 75 Building No. 1 Room 403 Patentee after: SHANGHAI YANGPU DISTRICT 5STAR PARENT CHILD EUDCATION SCHOOL Address before: 528463 Guangdong City, Zhongshan Province, the three township of the Bilingual School of the new high school, the second grade (3) class Patentee before: Liu Lening |
|
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Xiaojun Inventor after: Ma Minghao Inventor before: Zhang Xiaojun |
|
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 200040 Shanghai Jingan District Gonghexinlu 4666 Lane City Xinhui No. 7 Building 1 floor (near the intersection of gongkang Road No. 1 line Kang Road subway station No. 3 port) Patentee after: SHANGHAI YANGPU DISTRICT 5STAR PARENT CHILD EUDCATION SCHOOL Address before: 200082 Shanghai city Yangpu District Guoquan Road No. 75 Building No. 1 Room 403 Patentee before: SHANGHAI YANGPU DISTRICT 5STAR PARENT CHILD EUDCATION SCHOOL |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 |