|
DE726702C
|
|
Mortar for magnesia stones or stones containing magnesia
|
|
GB394115A
|
|
Improvements in or relating to sintered magnesia and refractory materials containing sintered magnesia
|
|
GB399126A
|
|
Improvements in or relating to sintered magnesia and refractory materials containing sintered magnesia
|
|
US1956139A
|
|
Process for treating argillaceous material
|
|
DE617305C
|
|
Process for the production of sintered magnesia and of refractory masses which contain sintered magnesia
|
|
DE554571C
|
|
Removal of the silica from mixtures of silica hydrate and aluminum hydroxide
|
|
DE597495C
|
|
Manufacture of clay and clay compounds
|
|
DE572195C
|
|
Process for cleaning, in particular iron removal, of quartz sand, clays and other iron-containing minerals
|
|
CA336256A
|
|
Argillaceous material processing
|
|
CA347661A
|
|
Sintered magnesia
|
