CN211888297U - 一种空调通风管清洗装置 - Google Patents
一种空调通风管清洗装置 Download PDFInfo
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- CN211888297U CN211888297U CN202020332220.5U CN202020332220U CN211888297U CN 211888297 U CN211888297 U CN 211888297U CN 202020332220 U CN202020332220 U CN 202020332220U CN 211888297 U CN211888297 U CN 211888297U
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CN113500061A (zh) * | 2021-07-15 | 2021-10-15 | 西北核技术研究所 | 一种用于清洗金属粉尘的管道清洗装置及方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113500061A (zh) * | 2021-07-15 | 2021-10-15 | 西北核技术研究所 | 一种用于清洗金属粉尘的管道清洗装置及方法 |
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GR01 | Patent grant | ||
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CP01 | Change in the name or title of a patent holder |
Address after: 201401 room 106, building 4, No. 6758, Daye highway, Fengxian District, Shanghai Patentee after: Shanghai Xiege Electromechanical Technology Co.,Ltd. Address before: 201401 room 106, building 4, No. 6758, Daye highway, Fengxian District, Shanghai Patentee before: SHANGHAI XIEGE AIR CONDITIONING ENGINEERING Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A cleaning device for air conditioning ventilation pipes Effective date of registration: 20230609 Granted publication date: 20201110 Pledgee: Bank of Beijing Limited by Share Ltd. Shanghai branch Pledgor: Shanghai Xiege Electromechanical Technology Co.,Ltd. Registration number: Y2023980043359 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |