Ma Dedong

博士

Postgraduate (Doctoral)

山东大学

Personal Information:

Gender:Male
Date of Employment:2009-07-31

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通气控制装置和具有该通气控制装置的呼吸面罩设备

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Type of Patent:Utility models
Application Number:CN201520829996.7
Authorization number:CN205145332U
Number of Inventors:4
Service Invention or Not:no
Application Date:2016-04-13
Authorization Date:2016-04-13