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Ma Dedong

博士

Postgraduate (Doctoral)

山东大学

Personal Information

Gender:Male

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体位阀装置、通气控制装置和呼吸面罩设备

Release Time:2023-04-20 Hits:

Title:体位阀装置、通气控制装置和呼吸面罩设备
Type of Patent:Invent
Application Number:CN201510698830.0
Authorization Number:CN105169538B
Number of Inventors:4
Service Invention or Not:No
Application Date:2015-10-23
Authorization Date:2017-11-24
Release Time:2023-04-20