CN210317752U - 一种干式无油螺杆型线及采用该螺杆的空气压缩机 - Google Patents
一种干式无油螺杆型线及采用该螺杆的空气压缩机 Download PDFInfo
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CN110056506A (zh) * | 2019-04-25 | 2019-07-26 | 余德林 | 一种干式无油螺杆型线及采用该螺杆的空气压缩机 |
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CN110056506A (zh) * | 2019-04-25 | 2019-07-26 | 余德林 | 一种干式无油螺杆型线及采用该螺杆的空气压缩机 |
CN110056506B (zh) * | 2019-04-25 | 2024-03-22 | 余德林 | 一种干式无油螺杆型线及采用该螺杆的空气压缩机 |
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Effective date of registration: 20200805 Address after: 17, 518000 floor, New City Mansion, Shenzhen, Guangdong, Futian District Co-patentee after: Chen Zhaopu Patentee after: Yu Delin Co-patentee after: Song Zhenyong Address before: 17, 518000 floor, New City Mansion, Shenzhen, Guangdong, Futian District Patentee before: Yu Delin |
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