一种功能型鼻外式呼吸过滤器
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Title:一种功能型鼻外式呼吸过滤器
Institution:材料科学与工程学院
Type of Patent:实用新型
Application Number:201520211102.8
Number of Inventors:8
Service Invention or Not:No
Application Date:2015-04-09
Publication Date:2015-10-07
Authorization Date:2015-04-09
Release Time:2018-12-06