Improvements to filters with granular material bed, in particular for water treatment
A Standard patent application filed on 08 August 2000 credited to Merrien, Denis
;
Brunet, Jean-Louis
Details
Application number :
68520
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Improvements to filters with granular material bed, in particular for water treatment