DK80627C
(en )
1956-03-05
Procedure and apparatus for double distillation.
DK86263C
(en )
1958-09-22
Vertical retort for carbonization of coal and similar substances.
BE553621A
(en )
1960-01-15
SUBSTITUTES COUMARONES AND METHODS FOR THEIR PREPARATION.
FI29270A
(en )
1957-10-10
Process for the production of solid coke and gas from peat, in particular for metallurgical purposes
FR1135328A
(en )
1957-04-26
Petroleum coke desulfurization process
DK83445C
(en )
1957-09-09
Device for belt packers to reduce baking and wear.
DK81252C
(en )
1956-07-02
Method for regulating the calorific value of coal gas.
DK79141C
(en )
1955-04-18
Method of oil firing and plant for carrying out the method.
DK83476C
(en )
1957-09-16
Procedure and apparatus for double distillation.
DK79483C
(en )
1955-07-04
Coke extractor for vertical retorts.
DK77491C
(en )
1954-05-03
Method for interconnecting coal and graphite pieces.
AT200537B
(en )
1958-11-10
Device for the extraction of coal or the like in mines
DK35935C
(en )
1926-05-03
Procedure for the manufacture of briquettes of coal and coke mold and apparatus for carrying out the procedure.
DK85967C
(en )
1958-07-28
Process for the preparation of coal tar pitch emulsions.
DK80082C
(en )
1955-11-07
Vertical chamber furnace for the production of gas and coke.
CH304053A
(en )
1954-12-31
Ring chain for connecting loose leaves.
DK80662C
(en )
1956-03-12
Heating systems for furnaces for the production of gas and coke.
DK89614C
(en )
1960-08-29
Method of making footwear and apparatus for carrying out the method.
DK80825C
(en )
1956-04-09
Close to vertical chambers in gas and coke production furnaces.
DK81404C
(en )
1956-10-29
Process for the production of condensation products.
DK82112C
(en )
1957-02-18
Bookbinding and procedure for its manufacture.
DK39957C
(en )
1929-03-25
Apparatus for the extraction of valuable constituents of coal, peat, lignite and the like.
DK62282C
(en )
1944-05-30
Method and apparatus for heat treatment of peat, lignite and similar materials.
DK86182C
(en )
1958-09-08
Process and plant for the production of phenols and ketones.
FR1097865A
(en )
1955-07-12
Lighter