CA522710A
(fr )
1956-03-13
Carbinamines substituees
CA533541A
(fr )
1956-11-20
Phenylepropylamines substituees
CA533492A
(fr )
1956-11-20
Bouchon a expansion
CA521157A
(fr )
1956-01-24
Ancre de rail
CA520863A
(fr )
1956-01-17
Ancre de rail
CA529545A
(fr )
1956-08-28
Dispositifs de posage de tringles
CA528150A
(fr )
1956-07-24
Dispositif de fixation
CA521686A
(fr )
1956-02-07
Ancre de rail en un morceau
CA529131A
(fr )
1956-08-14
Rail
CA531576A
(fr )
1956-10-09
Agrafe de tapis
CA529435A
(fr )
1956-08-21
Ancres
CA540745A
(fr )
1957-05-07
Ancres de rail
AU218786B2
(en )
1958-03-20
Rail anchors
AU218602B2
(en )
1957-03-21
Wedge anchors
AU220312B2
(en )
1958-07-24
Rail anchor
AU3136657A
(en )
1958-03-20
Rail anchors
CA544040A
(fr )
1957-07-23
Ancre
CA514419A
(fr )
1955-07-05
Ancres de rails
CA521945A
(fr )
1956-02-21
Ancre de structure de maconnerie
CA528093A
(fr )
1956-07-24
Structure
CA520193A
(fr )
1956-01-03
Joints de rails
CA524741A
(fr )
1956-05-08
Couchettes
CA528388A
(fr )
1956-07-31
Dispositif d'ancrage de clou
CA500185A
(fr )
1954-02-23
Ancre de rail
CA504525A
(fr )
1954-07-20
Ancre de rail