FR519528A
(en )
1921-06-11
Process for the production of economical soaps
FR495578A
(en )
1919-10-11
Process for the manufacture of superphosphates
FR513671A
(en )
1921-02-21
Process for the production of ferro-tungsten
FR514956A
(en )
1921-03-22
Process for the production of caramel
FR494393A
(en )
1919-09-06
Chain-gimp manufacturing process
CH82465A
(en )
1919-10-01
Die casting process
FR489233A
(en )
1919-01-06
Process for the production of artificial butter
FR517558A
(en )
1921-05-07
Process for the production of new ortho-oxyazo dyes
AT89533B
(en )
1922-09-25
Process for the production of resinous bodies.
DK27389C
(en )
1921-04-04
The mold cores for hollow concrete bodies.
FR505834A
(en )
1920-08-07
Riveting process
FR519789A
(en )
1921-06-15
Process for the production of leather
FR533176A
(en )
1922-02-23
Process for the manufacture of cokemetallurgical
FR488359A
(en )
1918-09-17
Enfleurage process
FR21602E
(en )
1921-01-10
Furfurol manufacturing process
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH79801A
(en )
1919-01-16
Process for the production of solid sodium percarbonate
CH80238A
(en )
1919-02-17
Process for the production of rubber-like compositions
DK26686C
(en )
1920-09-20
Press mold for the manufacture of insulators.
AT99308B
(en )
1925-02-25
Mold for the production of hollow rubber bodies provided with a mouthpiece.
CH78231A
(en )
1918-07-01
Process for the production of a filling compound for building purposes
DK27815C
(en )
1921-06-20
The mold cores for hollow concrete bodies.
FR510132A
(en )
1920-11-27
Stove-calorifier made of molded hollow bricks
CH74915A
(en )
1917-05-01
Hollow bodies for building purposes
FR517769A
(en )
1921-05-11
Process for the production of metallic bodies