A vacuum unit and a vacuum toilet system comprising such a unit
A Standard patent application filed on 07 June 1995 credited to Johansson, Karl-Erik
;
Johansson, Hakan
Details
Application number :
29395
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
A vacuum unit and a vacuum toilet system comprising such a unit