WASTE WATER TREATMENT BY TRICKLE FILTER AND ABSORBENT
A Standard patent application filed on 03 December 1981 credited to Erickson, Allen Hugh
;
Teletzke, Gerald Howard
Details
Application number :
78213
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
WASTE WATER TREATMENT BY TRICKLE FILTER AND ABSORBENT