CN210800896U - 一种投光角度可调的led投光灯屏 - Google Patents
一种投光角度可调的led投光灯屏 Download PDFInfo
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CN114009353A (zh) * | 2021-11-25 | 2022-02-08 | 华南师范大学 | 一种用于照射实验鼠的实验装置 |
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CN114009353A (zh) * | 2021-11-25 | 2022-02-08 | 华南师范大学 | 一种用于照射实验鼠的实验装置 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: LED projection lamp screen with adjustable projection angle Effective date of registration: 20210730 Granted publication date: 20200619 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: Wuhan Liangjie Technology Co.,Ltd. Registration number: Y2021420000071 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200619 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: Wuhan Liangjie Technology Co.,Ltd. Registration number: Y2021420000071 |