Processing water in a biologically activated and continuously operating granular filter bed
A Standard patent application filed on 01 March 1995 credited to Jonsson, Kurt
;
Larsson, Hans F
Details
Application number :
19068
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Processing water in a biologically activated and continuously operating granular filter bed