Decortication process

Defibering apparatus

Defibrator having improved defibration

Deinking of printed paper by agglomeration process

Device and method of using explosive forces in a contained...

Device and method of using explosive forces in a contained...

Device and treatment machine for the mechanical treatment of...

Device and treatment machine for the mechanical treatment of...

Device for diluting fibrous stock

Device for distributing wood into consecutively placed grinders

Device for feeding cellulosic material through formation of...

Device for hot dispersing fibrous paper stock and a method...

Device for production of mechanical pulp

Device for the production of groundwood

Device for the production of mechanical pulp

Discs for fiberizing waste paper

Disintegrating fibers for paper manufacture

Disintegration of wood

Disintegration process for fibrous sheet material

Dissociating apparatus for papermaking raw material and...