|
IE12202L
|
|
Iron ore reduction
|
|
GB378940A
|
|
Improvement in direct iron ore reduction
|
|
IE12200L
|
|
Process for concentrating metals
|
|
GB377260A
|
|
Process for concentrating metals
|
|
GB363931A
|
|
Gas making process and apparatus
|
|
IE11920L
|
|
Metallurgy
|
|
US1891850A
|
|
Direct iron ore reduction
|
|
IE11717L
|
|
Carbonising retorts
|
|
IE11568L
|
|
Fuels
|
|
IE11464L
|
|
Fuel
|
|
IE11465L
|
|
Manufacture of producer gas
|
|
GB357424A
|
|
Manufacture of producer gas
|
|
GB357425A
|
|
Carbonizing process and apparatus
|
|
GB361619A
|
|
Production of solid fuel and binder therefor
|
|
GB357423A
|
|
Production of solid fuel
|
|
US1923803A
|
|
Briquette and method of producing same
|
|
US1929860A
|
|
Process of producing fuel briquettes
|
|
US1838884A
|
|
Method of producing fuel
|
|
IE10896L
|
|
Coal amalgam
|
|
IE10895L
|
|
Fuel
|
