CH19002A
(en )
1900-04-15
Apparatus for the electrical treatment of gases
CH15584A
(en )
1898-06-30
Apparatus for the electrical treatment of gases
CH32708A
(en )
1905-08-31
Apparatus for the electrical treatment of gas or steam
FR448519A
(en )
1913-02-03
Apparatus for the electrical treatment of gases and vapors
FR468277A
(en )
1914-07-02
Method and apparatus for the electrochemical treatment of liquids
FR425725A
(en )
1911-06-19
Furnace for electric gas treatment
CH18991A
(en )
1900-04-15
Apparatus for the production of acetylene gas
FR411969A
(en )
1910-06-30
Apparatus for the treatment of solid bodies with gases
FR331198A
(en )
1903-09-02
Centrifugal apparatus for gas treatment
FR477476A
(en )
1915-10-22
Method and devices for the treatment of gases by electric arc
FR491517A
(en )
1919-06-06
Method and apparatus for the electrical treatment of gases and vapors
FR473198A
(en )
1915-01-05
Method and apparatus for the treatment of wet mixtures
CH21300A
(en )
1901-06-30
Advanced apparatus for the production of acetylene gas
FR502591A
(en )
1920-05-19
Electric furnace for gas treatment
CH23283A
(en )
1902-06-30
Apparatus for enriching coal gas
CH22692A
(en )
1902-03-31
Apparatus for the production of acetylene gas
CH19454A
(en )
1900-07-15
An apparatus for the treatment of cereals before milling
CH20851A
(en )
1901-04-15
Apparatus for the production of acetylene gas
CH19832A
(en )
1900-09-30
Apparatus for the production of acetylene gas
CH18918A
(en )
1900-03-31
Apparatus for the production of acetylene gas
FR359276A
(en )
1906-03-20
Apparatus for washing and purifying gas
CH25312A
(en )
1903-04-30
Apparatus for electric metal spraying
CH19826A
(en )
1900-09-30
Apparatus for treating textiles
FR425593A
(en )
1911-06-14
Process for the electrical purification of gases
CH22631A
(en )
1902-02-28
Device for regulating electric ovens