Zhang Jianhua

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一种鼻呼吸过滤器清洗装置
2019-04-15  Hits:

Affilication of Author(s):机械工程学院
Patent Applicant:Zhang Jianhua
Type of Patent:实用新型
Application Number:201420275672.9
Number of Inventors:1
Service Invention or Not:no
Application Date:2014-05-27
Application Date:2014-05-27