|
CA153366A
|
|
Hydro-carbon distillation
|
|
US1044175A
|
|
Conversion of coal-tar, petroleum residues, creosote and schist oils, and the like, into pitch.
|
|
CA143156A
|
|
Treatment of coal tar, petrol, etc.
|
|
GB190422002A
|
|
Improvements in or relating to the Manufacture of Coke.
|
|
CA255224A
|
|
Coal briquette manufacture
|
|
CA278233A
|
|
Coking process
|
|
CA387363A
|
|
Combustible material treating apparatus
|
|
CA241516A
|
|
Apparatus for deshydrating and carbonizing peat, etc.
|
|
CA238405A
|
|
Apparatus for dehydration, etc.
|
