一种对开双级拍门
- Affilication of Author(s):扬州大学
- School Sign:扬州大学
- Patent Applicant:徐波
- Patent description:一种对开双级拍门
- Type of Patent:实用新型
- Application Number:202022917327.9
- Number of Inventors:7
- Service Invention or Not:no
- Application Date:2020-12-08
- First Author:Xu Bo
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一种双级拍门及其运行方法