CN208972812U - 一种具有压平功能的语文教学讲桌机器人 - Google Patents
一种具有压平功能的语文教学讲桌机器人 Download PDFInfo
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- CN208972812U CN208972812U CN201820736130.5U CN201820736130U CN208972812U CN 208972812 U CN208972812 U CN 208972812U CN 201820736130 U CN201820736130 U CN 201820736130U CN 208972812 U CN208972812 U CN 208972812U
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200107 Address after: Room 201, building 5, Hegong University Science Park, Cangzhou high tech Industrial Development Zone, Cangzhou City, Hebei Province 061000 Patentee after: Hebei Yihai Robot Technology Co., Ltd. Address before: 312500 Kengli Village, Ruao Town, Xinchang County, Shaoxing City, Zhejiang Province, No. 154 (Residence Declaration) Patentee before: Xinchang Jiecheng Agricultural Development Co., Ltd. |
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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: 20190614 Termination date: 20210517 |