CH127438A
(en )
1928-09-01
Procedure for the representation of 1. 4-diamino-2-chloro-3-thiohydrin-anthraquinone.
AT106719B
(en )
1927-06-25
Process and device for gasification or for gasification and degassing of coal dust.
AT104736B
(en )
1926-11-25
Process for the hydrogenation of coal.
AT107016B
(en )
1927-08-10
Process for cleaning tar and water-containing gases.
AT107042B
(en )
1927-08-10
Process for repairing the worn guardrails of grooved rails.
CH130315A
(en )
1928-11-30
Process for the production of anhydrous and oxide-free cerium chloride.
CH198858A
(en )
1938-07-15
Method and device for preventing self-ignition of haysticks.
FR587002A
(en )
1925-04-09
Coal and stone extractor
FR612529A
(en )
1926-10-26
Improvements in coal treatment processes
CA223932A
(en )
1922-09-19
Apparatus for washing coal and other minerals
AT107000B
(en )
1927-08-10
Method and furnace for coking coal.
FR610124A
(en )
1926-08-30
Retort refinements
AT108110B
(en )
1927-11-25
Method and device for the electrolysis of chlor-alkalis.
FR595172A
(en )
1925-09-28
Method and apparatus for the treatment of peat, lignite, and the like
CH296883A
(en )
1954-02-28
Process for the combustion of hard coal coke in the form of dust.
AT116457B
(en )
1930-02-25
Process to prevent scale formation and to remove scale that has already set in.
FR612562A
(en )
1926-10-26
Improvements to phonic records and the like
ES144546A1
(en )
1939-12-01
An improved method of treating elastic materials.
AT87420B
(en )
1922-02-25
Washing device for the extraction of coke from waste and residues.
AT109157B
(en )
1928-03-26
Process for purifying gases.
ES100501A1
(en )
1927-02-01
Improvements in apparatus for the distillation of carbonaceous and other similar matters.
SU17148A1
(en )
1930-09-30
The method of enrichment of coal
AT116432B
(en )
1930-02-25
Method and machine for mechanically hewing coal or stone.
FR32013E
(en )
1927-08-29
Improvements in coal treatment processes
FR32102E
(en )
1927-09-10
Improvements in coal treatment processes