CA350131A
(fr )
1935-05-07
Tole ondulee
CA334038A
(fr )
1933-07-18
Tole ondulee
CA354422A
(fr )
1935-11-26
Fabrication des tuyaux en toles
CA350133A
(fr )
1935-05-07
Appareil a onduler les toles
CA329901A
(fr )
1933-01-31
Fabrication des toles
CA351272A
(fr )
1935-07-02
Fabrication de toles galvanisees
CA356826A
(fr )
1936-03-24
Bidon metallique
CA324458A
(fr )
1932-07-26
Tole
CA324091A
(fr )
1932-07-12
Bidon metallique
CA334880A
(fr )
1933-08-15
Ferme en toles
CA351987A
(fr )
1935-07-30
Fabrication de feuilles d'acier electrique
CA337621A
(fr )
1933-12-05
Boite ou bidon en tole
CA354592A
(fr )
1935-12-10
Feuille repliee
CA354593A
(fr )
1935-12-10
Feuille repliee
CA333279A
(fr )
1933-06-13
Tuyau en tole
CA358388A
(fr )
1936-06-09
Tole a toiture
CA352048A
(fr )
1935-07-30
Fabrication du papier gaufre
CA349648A
(fr )
1935-04-16
Appareil a onduler le metal
CA365793A
(fr )
1937-05-04
Feuille metallique trouee
CA368561A
(fr )
1937-09-07
Tole
CA334161A
(fr )
1933-07-18
Coussinet en tole
CA357116A
(fr )
1936-04-14
Joint de toles
CA368685A
(fr )
1937-09-14
Fabrication de toles
CA334237A
(fr )
1933-07-25
Fabrication electrolytique de feuilles metalliques
CA335571A
(fr )
1933-09-12
Formation de toles