SE47521C1
(fr )
1920-01-01
ES70160A1
(es )
1919-07-16
Mejoras en la manipulación de ácido nitroxilsulfúrico.
CA201481A
(fr )
1920-06-29
Production de pure acide nitrique concentre
ES70438A1
(es )
1919-09-01
Mejoras en la fabricación de ácido nítrico concentrado.
AU1042219A
(en )
1920-03-23
Clothes peg
CA196515A
(fr )
1920-01-27
Crochet de gaffe
CA195158A
(fr )
1919-12-23
Moyeu
CA199164A
(fr )
1920-04-13
Coupe-coton sur chariot
DK30191C
(da )
1922-09-04
Friløbskobling til Hjulnav for Cyckler eller lignende.
CH103225A
(it )
1924-01-16
Procedimento per la produzione, mediante ritaglio e ripiegatura di sottili piastre e di fogli, di figurine plastiche che si reggono senza l'impiego di mezzi ausiliari.
CA198825A
(fr )
1920-03-30
Pompe d'air
CA203800A
(fr )
1920-09-07
Pompe a air
CA203728A
(fr )
1920-09-07
Pompe a air
CA199275A
(fr )
1920-04-20
Baratte
CA200459A
(fr )
1920-06-01
Baratte
CA206463A
(fr )
1920-12-14
Baratte
CA206839A
(fr )
1920-12-28
Baratte
DK29195C
(da )
1922-01-23
Frihjulsnav.
CA203139A
(fr )
1920-08-17
Boulon
CA203195A
(fr )
1920-08-24
Grue
CA191687A
(fr )
1919-07-22
Attache de corde
CA192636A
(fr )
1919-09-09
Goufle-pneus
CA192550A
(fr )
1919-09-09
Pompe a air
AU476521A
(en )
1922-07-25
Improvements relating to screwdrivers, braces andthe like
SE47534C1
(fr )
1920-01-01