CA451648A
(fr )
1948-10-05
Alliage resistant a la chaleur
CA451647A
(fr )
1948-10-05
Alliage resistant a la chaleur
CA447641A
(fr )
1948-04-06
Composition de haute resistance
CA446474A
(fr )
1948-01-27
Substance refractaire
CA447150A
(fr )
1948-03-09
Alliage
CA448142A
(fr )
1948-04-27
Alliage
CA448325A
(fr )
1948-05-04
Alliage
CA450687A
(fr )
1948-08-24
Alliage
CA448011A
(fr )
1948-04-20
Fermeture par chaleur
CA446654A
(fr )
1948-02-10
Cabinet-classeur ignifuge
CA451994A
(fr )
1948-10-19
Alliage de plomb
CA446604A
(fr )
1948-02-10
Alliage de cuivre
CA453518A
(fr )
1948-12-21
Composition de metal
CA449819A
(fr )
1948-07-13
Dispositif de refroidissement
CA446483A
(fr )
1948-02-03
Alliage de metaux
CA447735A
(fr )
1948-04-06
Billette bimetallique
CA447736A
(fr )
1948-04-06
Billette bimetallique
CA447331A
(fr )
1948-03-16
Echangeur de chaleur
CA449884A
(fr )
1948-07-13
Echangeur de temperature
CA451326A
(fr )
1948-09-21
Echangeur de temperature
CA452434A
(fr )
1948-11-09
Echangeur de temperature
CA446386A
(fr )
1948-01-27
Turbo-generateur
CA450496A
(fr )
1948-08-10
Composition insecticide
CA449171A
(fr )
1948-06-15
Composition de thyroproteine
CA446160A
(fr )
1948-01-13
Fournaise