FR998240A
(en )
1952-01-16
Method and device for the preparation of minerals
FR981860A
(en )
1951-05-30
Method and apparatus for continuous coal mining
FR948812A
(en )
1949-08-11
Method and device for the continuous distillation of coal tar and wood tars
FR1076282A
(en )
1954-10-25
Method and apparatus for the continuous determination of vapor tensions
FR1311305A
(en )
1962-12-07
Process for the continuous distillation of tars
FR937382A
(en )
1948-08-16
Method and device for the desiccation of materials
FR1010483A
(en )
1952-06-11
Process for the continuous distillation of coal tar
FR925331A
(en )
1947-09-01
Improvements to gasifiers and sparkling water distributors
SU77391A1
(en )
1948-11-30
The method of obtaining tar
FR929392A
(en )
1947-12-24
Method and device for the carbonization of sawdust and other pulverulent lignocellulosic waste
FR1022057A
(en )
1953-02-27
Process for the dephenolation of oils obtained from coal tar and lignite
FR1002097A
(en )
1952-03-03
Process for refining tars and wood pitches
FR1013213A
(en )
1952-07-24
Improvements in processes and devices for the continuous distillation of tars, lignites and coal
FR1011168A
(en )
1952-06-19
Method and apparatus for the continuous preparation of crystals
FR1064020A
(en )
1954-05-10
Improvements to idlers or pulleys for chain derailleurs of cycles and the like
FR1045993A
(en )
1953-12-02
Method and apparatus for the preparation of coal by floats and deposits
FR1031837A
(en )
1953-06-26
Method and apparatus for the gasification of pulverized fuels
FR1014398A
(en )
1952-08-13
Process for the continuous fractionation of tars
AT192418B
(en )
1957-10-25
Process for the continuous fractionation of coal tar
FR1029178A
(en )
1953-06-01
Improvements in processes for the continuous distillation of tar, more especially coal tar
FR1304942A
(en )
1962-09-28
Process for the continuous fractional distillation of coal tar
FR1262153A
(en )
1961-05-26
Process for obtaining coals and carbonaceous products which do not form dust
FR991350A
(en )
1951-10-04
Method and apparatus for the removal and removal of coal
FR933385A
(en )
1948-04-19
Process for the continuous distillation of coal tar or mineral oil
FR969408A
(en )
1950-12-20
Method and apparatus for recovering tarry acids from coal tar oils or tars