CN210545109U - 一种蒽醌气相缩合装置 - Google Patents
一种蒽醌气相缩合装置 Download PDFInfo
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- CN210545109U CN210545109U CN201921091175.2U CN201921091175U CN210545109U CN 210545109 U CN210545109 U CN 210545109U CN 201921091175 U CN201921091175 U CN 201921091175U CN 210545109 U CN210545109 U CN 210545109U
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GR01 | Patent grant | ||
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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: An anthraquinone gas phase condensation device Effective date of registration: 20220518 Granted publication date: 20200519 Pledgee: Yutai sub branch of China Construction Bank Co.,Ltd. Pledgor: Jining Shengao Fine Chemical Co.,Ltd. Registration number: Y2022980005721 |
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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: 20230816 Granted publication date: 20200519 Pledgee: Yutai sub branch of China Construction Bank Co.,Ltd. Pledgor: Jining Shengao Fine Chemical Co.,Ltd. Registration number: Y2022980005721 |