|
GB126614A
|
|
Improvements relating to Furnace Retorts.
|
|
GB132487A
|
|
Improvements relating to Furnace Retorts.
|
|
GB125379A
|
|
Improvements in and relating to the Treatment of Coal, especially in the Manufacture of Fuel Briquets.
|
|
GB125381A
|
|
Improvements in and relating to Briquet-carbonizing Furnaces.
|
|
GB123739A
|
|
Improvements relating to Furnace Retorts.
|
|
GB123738A
|
|
Improvements relating to the Gasification of Coal and the Obtaining of By-products therefrom.
|
|
CA187952A
|
|
Fuel briquette
|
|
GB111285A
|
|
Improvements in Briquets and Method of Making the same.
|
|
GB120585A
|
|
Improvements in Briquets and Method of Making the same.
|
|
CA180636A
|
|
Coal briquettig apparatus
|
|
GB106084A
|
|
Improvements in Process of and Apparatus for Treating Coal.
|
|
CA172697A
|
|
Coal preparation
|
|
GB101539A
|
|
A New or Improved Process for Treating Coal and Preparing the same for Coking Purposes.
|
|
US1224424A
|
|
Process of and apparatus for treating coal.
|
|
US1177727A
|
|
Process of treating coal.
|
