GR307B
(en )
1922-07-31
METHOD FOR CONSTRUCTION OF PRESSURED CARBON (BRIQUETTE) FROM WASTE.
GR243B
(en )
1922-01-24
METHOD OF LEAVING COMPONENTS FORMING TEFRAN FROM CARBON MATERIALS.
GR682B
(en )
1924-07-11
METHOD FOR CONSTRUCTION OF GROSS CARBON GAS.
DK33224C
(en )
1924-05-19
Apparatus for sound generation.
DK32026C
(en )
1923-07-30
Pressure plate for Duplicators.
GR431B
(en )
1923-04-18
METHOD OF FORMATION OF COMPRESSORS OF FUEL MATERIALS (CARBON).
ES77036A1
(en )
1921-04-16
An apparatus for pressing.
GR355B
(en )
1922-11-10
METHOD FOR CONSTRUCTION OF LEAD.
GR356B
(en )
1922-11-10
METHOD FOR CONSTRUCTION OF LEAD.
FR574936A
(en )
1924-07-21
Lighters improvements
DK26308C
(en )
1920-07-19
Briquette press.
ES78148A3
(en )
1921-07-01
An acetylene generating apparatus.
ES78177A3
(en )
1921-07-01
An acetylene generating apparatus.
ES81489A1
(en )
1923-03-16
An energy production apparatus.
DK36042C
(en )
1926-05-25
Method and Device for Frequency Increase.
DK29049C
(en )
1921-12-19
Connection method for Termion amplifiers.
DK37248C
(en )
1927-03-14
Method and Machine for Preforming an End of an Upper Leather.
ES80976A1
(en )
1922-06-16
A perfected coal carbonization process.
GR290B
(en )
1922-06-20
METHOD FOR MAKING PRINTING PLATES.
FI8919A
(en )
1922-04-21
Procedure for refining ore after slag process
ES82365A1
(en )
1923-01-16
A force-carrying apparatus.
ES77498A1
(en )
1921-06-01
An improved process for the manufacture of glycerin by fermentation.
ES77477A1
(en )
1921-06-01
A projector-reflector apparatus for reclamation purposes.
ES86795A1
(en )
1923-11-16
An aeromotor apparatus.
CA221816A
(en )
1922-08-01
Manufacture of briquettes from waste coal