Respiration training device
A Standard patent application filed on 19 March 2003 credited to Belyakov, Vladimir Konstantinovich
;
Belyakov, Denis Vladimirovich
Details
Application number :
2003227392
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Respiration training device
Inventor :
Belyakov, Vladimir Konstantinovich
;
Belyakov, Denis Vladimirovich