CH39119A
(en )
1908-02-01
Arrangement for fastening railroad tracks to iron-reinforced concrete sleepers
CH35619A
(en )
1906-09-15
Device for fastening railroad tracks to sleepers
CH40591A
(en )
1908-08-01
Reinforced concrete railway sleeper
CH43859A
(en )
1909-06-16
Device for fastening railroad tracks
CH38434A
(en )
1907-10-15
Reinforced concrete sleeper for railroad tracks
FR380450A
(en )
1907-12-07
Improvements to rail joints
FR371595A
(en )
1907-03-11
Improvements to railway tracks
CH37979A
(en )
1907-10-15
Iron-reinforced concrete railway sleeper
FR387404A
(en )
1908-07-09
Improvements to crossroads of railroad tracks and others
CH54800A
(en )
1912-06-17
Device for fastening railroad tracks on the sleepers
CH27762A
(en )
1904-02-15
Device for fastening railroad tracks
CH48195A
(en )
1910-09-16
Concrete sleeper for railways
FR329151A
(en )
1903-07-25
Improvements to sleepers
CH42841A
(en )
1909-04-16
Reinforcement of the floating rail joint on railway tracks with cross sleepers
FR392845A
(en )
1908-12-07
Improvements to rail joints
CH49379A
(en )
1911-02-01
Concrete sleeper for railway superstructure
FR349067A
(en )
1905-05-10
Fastening the rails to the reinforced concrete sleepers
FR367443A
(en )
1906-10-29
Rail sleepers
CH27348A
(en )
1903-12-31
Means for fastening railroad tracks on longitudinal sleepers or blocks
FR337317A
(en )
1904-04-04
Improvements to railway ties
FR331862A
(en )
1903-10-06
Improvements to rail needles
FR328540A
(en )
1903-07-16
Improvements to tram rails
FR1542E
(en )
1903-08-12
Improvements to tram rails
CH36286A
(en )
1906-12-15
Device for fastening ties
FR389510A
(en )
1908-09-11
Reinforced concrete sleeper for railway tracks