A process for biological purification of waste water with reversing operation
A Standard patent application filed on 16 September 1998 credited to Dahl, Claus Poulsen
;
Nielsen, Marinus
Details
Application number :
90636
Application type :
Standard
Application status :
SEALED
Under opposition :
No
Proceeding type :
Invention title :
A process for biological purification of waste water with reversing operation