CN205523239U - 便于俄语教学标准书写用的黑板 - Google Patents
便于俄语教学标准书写用的黑板 Download PDFInfo
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- CN205523239U CN205523239U CN201620074139.5U CN201620074139U CN205523239U CN 205523239 U CN205523239 U CN 205523239U CN 201620074139 U CN201620074139 U CN 201620074139U CN 205523239 U CN205523239 U CN 205523239U
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CN201620074139.5U CN205523239U (zh) | 2016-01-26 | 2016-01-26 | 便于俄语教学标准书写用的黑板 |
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CN201620074139.5U CN205523239U (zh) | 2016-01-26 | 2016-01-26 | 便于俄语教学标准书写用的黑板 |
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CN205523239U true CN205523239U (zh) | 2016-08-31 |
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CN201620074139.5U Expired - Fee Related CN205523239U (zh) | 2016-01-26 | 2016-01-26 | 便于俄语教学标准书写用的黑板 |
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CN (1) | CN205523239U (zh) |
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2016
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HARBIN HUYGENS ROBOT TECHNOLOGY DEVELOPMENT Co.,Ltd. Assignor: QIQIHAR University Contract record no.: X2020230000021 Denomination of utility model: Blackboard convenient to usefulness is write to russian teaching standard Granted publication date: 20160831 License type: Exclusive License Record date: 20200720 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20210126 |