Fossil resin flotation from coal by selective coagulation & depression of coal
A Standard patent application filed on 15 February 1990 credited to Miller, Jan D.
;
Yi, Ye
;
Yu, Qiang
Details
Application number :
49800
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Fossil resin flotation from coal by selective coagulation & depression of coal