CH96076A
(en )
1922-09-01
Switching method.
GR48B
(en )
1921-04-08
METHOD FOR EXPORTING VARIOUS PRODUCTS BY DECOMPOSING OIL.
SU1993A1
(en )
1924-09-15
Method of making plywood plywood
CH96615A
(en )
1922-11-01
Shears.
GR91B
(en )
1921-07-02
METHOD FOR EXPORTING OIL FROM OILS AND OTHER FRUITS.
ES78678A3
(en )
1921-09-16
An industrial process consisting of the hydrogenation of oils.
AT102555B
(en )
1926-02-25
Process for splitting oils.
GR101B
(en )
1921-07-16
NEW PISTON TANK OR TORPINE ROTATING FOR PRESSED OIL.
DK29878C
(en )
1922-07-03
Transformer oil.
ES77425A1
(en )
1921-05-16
Apparatus for sealing.
AT90952B
(en )
1923-01-25
Device for preventing railway collisions.
GR529B
(en )
1923-12-11
METHOD TO LEAVE PARAFFINE FROM CARBON HYDROGENS.
ES78458A1
(en )
1921-08-16
A perfected mineral concentration procedure.
DK29897C
(en )
1922-07-10
Distillation retort for gaseous substances.
DK31461C
(en )
1923-03-26
Filling machine for oblique retorts.
ES77498A1
(en )
1921-06-01
An improved process for the manufacture of glycerin by fermentation.
GR243B
(en )
1922-01-24
METHOD OF LEAVING COMPONENTS FORMING TEFRAN FROM CARBON MATERIALS.
DK33826C
(en )
1924-11-03
Distillation apparatus.
ES77362A1
(en )
1921-05-01
Electrolyzer.
DK33554C
(en )
1924-08-18
Kovs for Jærn- og Staaltraadstove.
DK30500C
(en )
1922-10-23
Fine division apparatus for fertilizers, especially Chili Nitrate.
ES73146A1
(en )
1920-06-10
A process for the distillation of hydrocarbons.
GR122B
(en )
1921-07-31
METHOD AND MACHINERY FOR MAKING SOAP.
ES93693A1
(en )
1925-07-16
Improved method of purifying oil.
ES79874A1
(en )
1922-02-16
Bolt heads manufacturing procedure.