FR843294A
(en )
1939-06-28
gas purifier
FI20736A
(en )
1945-08-10
Cyclone purifier for purifying gas from wood and charcoal gas generators
FI19387A
(en )
1942-10-15
Cyclone purifier for purifying gas from wood and charcoal gas generators
FR869175A
(en )
1942-01-26
air or gas purifier
FR880939A
(en )
1943-04-08
gas purifier
FR889851A
(en )
1944-01-21
gas purifier
FR972746A
(en )
1951-02-02
gas purifier
FR974558A
(en )
1951-02-23
gas purifier
FR921552A
(en )
1947-05-12
Improvements to gas generators
FR879851A
(en )
1943-03-08
gas purifier
FR877196A
(en )
1942-11-30
gas purifier
ES152808A3
(en )
1943-03-01
PROCEDURE FOR PURIFYING WOOD GAS
FI20888A
(en )
1945-11-10
Cyclonic gas purifier
FR867205A
(en )
1941-10-07
gas purifier
AU115451B2
(en )
1942-07-16
Apparatus for the generation, purification and employment of gas derived from charcoal and the like
FR873733A
(en )
1942-07-17
purifier
DK64917C
(en )
1946-10-21
Screw cover for Gas Generators and Gas Cleaners.
AU115004B2
(en )
1942-04-23
New or improved means for purifying and / or cleansing gases
CA395789A
(en )
1941-04-15
Tobacco smoke purifier
ES153659A1
(en )
1943-03-01
PURIFIER FOR GAS GAS
AU221941A
(en )
1942-07-16
Apparatus for the generation, purification and employment of gas derived from charcoal and the like
FI18965A
(en )
1941-02-15
Gas filter
ES149447A1
(en )
1942-06-01
PURIFIER OF GAS GAS
ES150875A1
(en )
1942-06-01
IMPROVEMENTS IN THE CONSTRUCTION OF FILTERS FOR GAS GASES
FI19379A
(en )
1942-08-31
Charcoal gas generator