|
US1994718A
|
|
Apparatus for treating finely divided material
|
|
DE620620C
|
|
Device for heat exchange between solid to liquid and gaseous substances
|
|
DE590208C
|
|
Device for the heat treatment of all kinds of goods by means of a traveling grate and a downstream rotary kiln
|
|
DE584937C
|
|
Device for burning cement
|
|
DE578935C
|
|
Pre-burning device on ovens for burning, roasting and sintering all kinds of goods
|
|
DE595284C
|
|
Device for heat exchange between solid to liquid substances and gases
|
|
DE552827C
|
|
Device for burning cement with granulation of the raw material before burning
|
|
US1992704A
|
|
Process of, and apparatus for, treating cement and similar materials
|
|
DE526451C
|
|
Device for burning cement
|
|
DE513584C
|
|
Process for burning muddy masses, in particular raw cement mud
|
|
DE530035C
|
|
Method and device for granulating powdery substances
|
