CA547128A
(fr )
1957-10-08
Pyrrolecarboxamidopyrroles substitues
CA546722A
(fr )
1957-09-24
Connexion de rail
CA555758A
(fr )
1958-04-08
Attaches de rail
CA543072A
(fr )
1957-07-02
Chemins de fer en miniature
CA542790A
(fr )
1957-06-25
Structure de barre d'appui
CA537472A
(fr )
1957-02-26
Benzamidopropylamines substituees
CA540469A
(fr )
1957-05-07
Glycinamides substitues
CA579367A
(fr )
1959-07-14
Eclisse de rail
CA539470A
(fr )
1957-04-09
Structure laterale de wagon
CA540745A
(fr )
1957-05-07
Ancres de rail
AU218786B2
(en )
1958-03-20
Rail anchors
CA546878A
(fr )
1957-10-01
Crampon de rail
CA537075A
(fr )
1957-02-12
Agrafe de rail
CA546330A
(fr )
1957-09-17
Ensemble de train de reglage
AU3136657A
(en )
1958-03-20
Rail anchors
CA541708A
(fr )
1957-06-04
Dechargeur de train
CA548597A
(fr )
1957-11-12
Tampon de chemin de fer
CA537444A
(fr )
1957-02-26
Raccord
CA550433A
(fr )
1957-12-17
Rail ayant plusieurs tetes
AU221725B2
(en )
1957-12-05
Improvements in rail fastenings
CA537969A
(fr )
1957-03-12
Pantographe
CA538308A
(fr )
1957-03-19
Glycinamides substitues
CA537471A
(fr )
1957-02-26
Alkoxybenzylisoquinolines substitues
CA540468A
(fr )
1957-05-07
Glycinamides substitues
AU226676B2
(en )
1958-06-19
Substituted coumarones