CA395759A
(fr )
1941-04-08
Procede a onduler les filaments
CA394795A
(fr )
1941-02-25
Procede a conditionner le file
CA397960A
(fr )
1941-07-15
Procede a adoucir l'eau
CA399742A
(fr )
1941-09-30
Fabrication de tissus
CA396287A
(fr )
1941-05-06
Fabrication de rondelles
CA399076A
(fr )
1941-09-02
Procede de sterilisation
CA399077A
(fr )
1941-09-02
Procede de sterilisation
CA394876A
(fr )
1941-02-25
Traitement des tissus
CA394783A
(fr )
1941-02-25
Machine a sceller les lampes
CA397625A
(fr )
1941-07-01
Procede de chloration
CA397626A
(fr )
1941-07-01
Procede de chloration
CA397627A
(fr )
1941-07-01
Procede de chloration
CA395670A
(fr )
1941-04-01
Phare antiaveuglant
CA394991A
(fr )
1941-03-04
Bas proteinise
CA396712A
(fr )
1941-05-20
Bas
CA393666A
(fr )
1941-01-07
Fabrication de filaments de lampes
CA396917A
(fr )
1941-06-03
Procede chimique
CA397593A
(fr )
1941-07-01
Procede chimique
CA395546A
(fr )
1941-04-01
Fabrication de cellulose
CA395547A
(fr )
1941-04-01
Fabrication de cellulose
CA397910A
(fr )
1941-07-15
Fabrication de cellulose
CA396754A
(fr )
1941-05-27
Procede d'ornementation
CA399888A
(fr )
1941-10-07
Metier circulaire
CA394178A
(fr )
1941-01-21
Procede a teindre
CA395672A
(fr )
1941-04-01
Procede a teindre