Patents
Release time: 2021-03-04Hits:
- Patent Applicant:常源隆(S),Zhao Yong,huhaifeng,Zhang Yanan
- Note:专利证书编号:ZL201711374315.2
- Service Invention or Not:no
- Application Date:2017-12-19
- Publication Date:2020-09-04
- Authorization Date:2020-09-04
- First Author:Fanli Meng
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