Reciprocal movable screens in a vertically elongated vessel
A Standard patent application filed on 05 April 1993 credited to Richter, Ole
;
Richter, Johan
Details
Application number :
40963
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Reciprocal movable screens in a vertically elongated vessel