|
US2555733A
|
|
Roller press
|
|
US2374047A
|
|
Preparation of nutritional and therapeutic concentrates
|
|
US2374046A
|
|
Method of disintegrating cellulosecontaining structures
|
|
US2229143A
|
|
Apparatus for expressing liquids from solid substances
|
|
US2281336A
|
|
Recovery of rubber
|
|
US2229142A
|
|
Mechanical dehydrator and roller mill
|
|
US2229141A
|
|
High pressure roller mill
|
|
US2196651A
|
|
Mechanical dehydrator and roller mill
|
|
US2167556A
|
|
Recovery of lignin from natural cellulose compounds
|
|
US2196650A
|
|
Mechanical dehydration apparatus
|
|
CA381734A
|
|
Cellulose recovering apparatus
|
|
CA380689A
|
|
Dehydration apparatus
|
|
CA405185A
|
|
Cellulosic material processing
|
