|
US1986907A
|
|
Production of nodules
|
|
US1904589A
|
|
Process of manufacturing distillable spirits by fermentation
|
|
US1626171A
|
|
Process for cooking vegetable fiber
|
|
US1654624A
|
|
Process of separating vegetable fibrous material
|
|
US1771598A
|
|
Process for digesting fibrous material
|
|
US1511549A
|
|
Hydrometer
|
|
US1269350A
|
|
Manufacture of paper-pulp.
|
|
US1268193A
|
|
Manufacture of paper-pulp.
|
|
CA283378A
|
|
Disintegrating mill
|
|
CA275851A
|
|
Fibre cooking process
|
|
CA203061A
|
|
Hydrometer
|
|
CA285145A
|
|
Fibrous material separator
|
|
CA309663A
|
|
Process of digesting fibrous materials
|
|
CA223809A
|
|
Paper tearing tester
|
|
CA293725A
|
|
Production of fibres
|
|
CA306176A
|
|
Wood pulp product
|
