CN213018987U - 一种散热性好的led半铝半塑日光灯管 - Google Patents
一种散热性好的led半铝半塑日光灯管 Download PDFInfo
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- CN213018987U CN213018987U CN202022350693.0U CN202022350693U CN213018987U CN 213018987 U CN213018987 U CN 213018987U CN 202022350693 U CN202022350693 U CN 202022350693U CN 213018987 U CN213018987 U CN 213018987U
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Legal Events
Date | Code | Title | Description |
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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 |
Denomination of utility model: Led semi aluminum semi plastic fluorescent tube with good heat dissipation Effective date of registration: 20220518 Granted publication date: 20210420 Pledgee: Tongling state credit financing Company limited by guarantee Pledgor: ANHUI RUIXUE LIGHTING CO.,LTD. Registration number: Y2022980005770 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230509 Granted publication date: 20210420 Pledgee: Tongling state credit financing Company limited by guarantee Pledgor: ANHUI RUIXUE LIGHTING CO.,LTD. Registration number: Y2022980005770 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |