CN207963567U - 一种多晶硅生产冷氢化用缠绕管式换热器 - Google Patents
一种多晶硅生产冷氢化用缠绕管式换热器 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110732151A (zh) * | 2019-10-29 | 2020-01-31 | 浙江森田新材料有限公司 | 高安全稳定电子级氢氟酸精馏换热装置 |
CN111085973A (zh) * | 2019-12-17 | 2020-05-01 | 山东九泽换热系统有限公司 | 一种螺旋缠绕管式换热器生产用工装 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110732151A (zh) * | 2019-10-29 | 2020-01-31 | 浙江森田新材料有限公司 | 高安全稳定电子级氢氟酸精馏换热装置 |
CN111085973A (zh) * | 2019-12-17 | 2020-05-01 | 山东九泽换热系统有限公司 | 一种螺旋缠绕管式换热器生产用工装 |
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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: Polycrystalline silicon production winding pipe type heat exchanger for cold hydrogenation Effective date of registration: 20190507 Granted publication date: 20181012 Pledgee: Jiangxia Branch of Hankou Bank Co.,Ltd. Pledgor: WUHAN EAST PETROCHEMICAL HEAVY EQUIPMENT Co.,Ltd. Registration number: 2019420000019 |
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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: 20221103 Granted publication date: 20181012 Pledgee: Jiangxia Branch of Hankou Bank Co.,Ltd. Pledgor: WUHAN EAST PETROCHEMICAL HEAVY EQUIPMENT Co.,Ltd. Registration number: 2019420000019 |