Heat-insulated and noise-suppressed ventilation conduit with a fan
A Standard patent application filed on 11 March 1987 credited to Jahnzon, Hans

Details

Application number :

71273  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Heat-insulated and noise-suppressed ventilation conduit with a fan  

Inventor :

Jahnzon, Hans  

Agent name :

 

Address for service :

 

Filing date :

11 March 1987  

Associated companies :

 

Applicant name :

Rossel, G. A.B.  

Applicant address :

 

Old name :

 

Original Source :

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