CN210484115U - 一种加装共振式消声器的局部矿用轴流式通风机 - Google Patents
一种加装共振式消声器的局部矿用轴流式通风机 Download PDFInfo
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Effective date of registration: 20200909 Address after: 201306 No. 300, SHUIHUA Road, Pudong New Area, Shanghai Co-patentee after: Yuan Jun of the Dynasty Patentee after: Shanghai Electric Institute Address before: 830091 Xinjiang Institute of engineering, Nanchang Road, saybak District, Urumqi, Xinjiang Uygur Autonomous Region Patentee before: Yuan Jun of the Dynasty |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 Termination date: 20200910 |