CN212617016U - 风力发电用降噪风管及冷却风机 - Google Patents
风力发电用降噪风管及冷却风机 Download PDFInfo
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- CN212617016U CN212617016U CN202021109536.4U CN202021109536U CN212617016U CN 212617016 U CN212617016 U CN 212617016U CN 202021109536 U CN202021109536 U CN 202021109536U CN 212617016 U CN212617016 U CN 212617016U
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Cited By (1)
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CN113108151A (zh) * | 2021-04-09 | 2021-07-13 | 中建二局第一建筑工程有限公司 | 一种可拼装的吊装式风管管道消声器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113108151A (zh) * | 2021-04-09 | 2021-07-13 | 中建二局第一建筑工程有限公司 | 一种可拼装的吊装式风管管道消声器 |
CN113108151B (zh) * | 2021-04-09 | 2022-09-09 | 中建二局第一建筑工程有限公司 | 一种可拼装的吊装式风管管道消声器 |
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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: Noise reduction air duct and cooling fan for wind power generation Effective date of registration: 20211209 Granted publication date: 20210226 Pledgee: Industrial Commercial Bank of China Ltd. Beijing Cuiwei Road Branch Pledgor: ONOFF ELECTRIC Co.,Ltd. Registration number: Y2021990001162 |
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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: 20230330 Granted publication date: 20210226 Pledgee: Industrial Commercial Bank of China Ltd. Beijing Cuiwei Road Branch Pledgor: ONOFF ELECTRIC Co.,Ltd. Registration number: Y2021990001162 |