CH376826A
(en )
1964-04-15
Blasting processes, especially for dismantling mineral deposits
FR1220330A
(en )
1960-05-24
Process for extracting elements from mixtures
BE591228A
(en )
1960-09-16
Process for treating materials from coal slag heaps, with simultaneous coal extraction.
FR1257997A
(en )
1961-04-07
Process for treating materials from coal slag heaps, with simultaneous coal extraction
FR1162158A
(en )
1958-09-09
Sludge destruction process
FR1226788A
(en )
1960-08-16
Process for the treatment of lateritic ores
DK102396C
(en )
1965-08-23
Process for refining cellulosic textile material.
FR1207478A
(en )
1960-02-17
Pulverized coal gasification process
BE581253A
(en )
1959-11-16
Coal coking process.
BE582609A
(en )
1960-03-11
Process for reducing iron ores.
FR1215112A
(en )
1960-04-14
Process and installations for recovering coal from waste heaps
FR1251219A
(en )
1961-01-20
Precious metal recovery process
BE578499A
(en )
1959-08-31
Process for roasting sulphurous ferruginous ores.
BE593733A
(en )
1961-02-03
A process for making ash-free coke from coal.
BE584174A
(en )
1960-02-15
Coal hydrogenation process.
BE583047A
(en )
1960-03-25
Process for reducing iron ores.
BE576735A
(en )
1959-07-16
Coal sorting process.
FR88061E
(en )
1966-02-16
Coal briquetting process
FR1277935A
(en )
1961-12-01
Coal briquetting process
BE578590A
(en )
1959-08-31
Process for the treatment of lateritic ores.
BE584945R
(en )
1960-05-23
Process of roasting sulphidic ores.
BE577239A
(en )
1959-09-30
Method of operating blast furnaces.
FR1254059A
(en )
1961-02-17
Coal dust removal process
FR1273167A
(en )
1961-10-06
Process for preparing fine coal dust for briquetting
BE589981A
(en )
1960-08-16
Process for briquetting powdered materials.