|
DE670536C
|
|
Process to prevent oil from escaping from oil water separators
|
|
DE499010C
|
|
Process for the continuous production of pulp
|
|
DE411946C
|
|
Device for accelerating the flow of liquid in cooking vessels
|
|
DE391267C
|
|
Process for the preparation of pulp from wood
|
|
DE367216C
|
|
Process for heat recovery
|
|
DE348472C
|
|
Plant for the continuous opening and dewatering of peat
|
|
DE333209C
|
|
Method and device for opening up peat
|
|
DE670542C
|
|
Process for the measurement and automatic control of the content of additives in liquids
|
|
DE357590C
|
|
Device for pressing the moisture from fibrous materials such as peat, cellulose and the like. like
|
|
DE331692C
|
|
Process for dewatering peat
|
|
DE407962C
|
|
Device for the recovery of the gases which are separated out from cooking liquors for the production of sulfite pulp when heated
|
