CN211517005U - 天文仪器用光学镜片及其研磨设备 - Google Patents
天文仪器用光学镜片及其研磨设备 Download PDFInfo
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- CN211517005U CN211517005U CN201922497253.5U CN201922497253U CN211517005U CN 211517005 U CN211517005 U CN 211517005U CN 201922497253 U CN201922497253 U CN 201922497253U CN 211517005 U CN211517005 U CN 211517005U
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CN113752124A (zh) * | 2021-08-25 | 2021-12-07 | 南京东可达光电科技有限公司 | 一种研磨模具及光学镜片研磨机 |
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CN113752124A (zh) * | 2021-08-25 | 2021-12-07 | 南京东可达光电科技有限公司 | 一种研磨模具及光学镜片研磨机 |
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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: Optical lens for astronomical instrument and its grinding equipment Effective date of registration: 20211125 Granted publication date: 20200918 Pledgee: Bank of China Limited Nanjing Gulou Branch Pledgor: NANJING DONGKEDA PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2021980013225 |
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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 |
Date of cancellation: 20221209 Granted publication date: 20200918 Pledgee: Bank of China Limited Nanjing Gulou Branch Pledgor: NANJING DONGKEDA PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2021980013225 |
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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: Optical lenses and grinding equipment for astronomical instruments Effective date of registration: 20230111 Granted publication date: 20200918 Pledgee: Bank of China Limited Nanjing Gulou Branch Pledgor: NANJING DONGKEDA PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2023980031021 |
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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: 20200918 Pledgee: Bank of China Limited Nanjing Gulou Branch Pledgor: NANJING DONGKEDA PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2023980031021 |
|
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: Optical lenses and grinding equipment for astronomical instruments Granted publication date: 20200918 Pledgee: Bank of China Limited Nanjing Gulou Branch Pledgor: NANJING DONGKEDA PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2024980001290 |