CN204947815U - 一种吸风电机吸音、降振、降噪系统 - Google Patents
一种吸风电机吸音、降振、降噪系统 Download PDFInfo
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CN111878396A (zh) * | 2020-09-02 | 2020-11-03 | 山东三牛机械有限公司 | 一种具有进气滤清消音结构的罗茨风机 |
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CN111878396A (zh) * | 2020-09-02 | 2020-11-03 | 山东三牛机械有限公司 | 一种具有进气滤清消音结构的罗茨风机 |
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C14 | Grant of patent or utility model | ||
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Motor that induced drafts is inhaled sound, is fallen and shakes, noise reduction system Effective date of registration: 20171117 Granted publication date: 20160106 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd. Pledgor: GADLEE GREEN CLEANING EQUIPMENT Corp. Registration number: 2017440000133 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20221116 Granted publication date: 20160106 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd. Pledgor: GADLEE GREEN CLEANING EQUIPMENT Corp. Registration number: 2017440000133 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |