CN203405978U - 一种教学演示设备 - Google Patents
一种教学演示设备 Download PDFInfo
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- CN203405978U CN203405978U CN201320471702.9U CN201320471702U CN203405978U CN 203405978 U CN203405978 U CN 203405978U CN 201320471702 U CN201320471702 U CN 201320471702U CN 203405978 U CN203405978 U CN 203405978U
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CN201320471702.9U CN203405978U (zh) | 2013-08-05 | 2013-08-05 | 一种教学演示设备 |
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CN201320471702.9U CN203405978U (zh) | 2013-08-05 | 2013-08-05 | 一种教学演示设备 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109410657A (zh) * | 2018-12-29 | 2019-03-01 | 潍坊科技学院 | 一种用于汉语言教学的手持式普通话训练器 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109410657A (zh) * | 2018-12-29 | 2019-03-01 | 潍坊科技学院 | 一种用于汉语言教学的手持式普通话训练器 |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: YANG JUN Effective date: 20141215 Owner name: WUHAN VOCATIONAL + TECHNICAL COLLEGE Free format text: FORMER OWNER: WEI FANG Effective date: 20141215 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20141215 Address after: 430074 Hubei Province, Wuhan city Hongshan District Guanshan Road No. 463 scientific research department of Wuhan Polytechnic Patentee after: Wuhan Polytechnic Address before: 430074 Hubei Province, Wuhan city Hongshan District Kuanshan Road No. 463 Wuhan Polytechnic Telecommunications Institute Patentee before: Wei Fang Patentee before: Yang Jun |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20150805 |
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