Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Roger Zhang0
Xingdi Wu0
Jing Wan0
Shuiyong Huang0
Date of Patent
July 12, 2022
0Patent Application Number
169650000
Date Filed
January 31, 2018
0Patent Citations Received
Patent Primary Examiner
CPC Code
An air passageway system (
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