CH51907A
(en )
1911-10-02
Reinforced concrete sleeper
FR423389A
(en )
1911-04-14
Reinforced concrete sleeper
FR430812A
(en )
1911-10-25
Reinforced concrete sleeper
FR427122A
(en )
1911-07-27
Reinforced concrete sleeper
FR433819A
(en )
1912-01-17
Reinforced concrete sleeper
FR423341A
(en )
1911-04-13
Reinforced cement rail cross member
FR441640A
(en )
1912-08-12
Reinforced concrete sleeper
FR421140A
(en )
1911-02-15
Reinforced concrete constructions
FR13242E
(en )
1911-02-20
Reinforced cement sleeper
FR413619A
(en )
1910-08-13
Reinforced concrete paving
FR417125A
(en )
1910-11-07
Improvements made to reinforced concrete constructions
FR417960A
(en )
1910-11-28
Improvements made to reinforced concrete constructions
FR417126A
(en )
1910-11-07
Improvements made to reinforced concrete constructions
CH55697A
(en )
1912-09-02
Reinforced concrete railway sleeper
FR422783A
(en )
1911-03-30
Reinforced cement staircase
AT52293B
(en )
1912-02-26
Superstructure with reinforced concrete sleepers.
FR435026A
(en )
1912-02-20
Reinforced concrete floor
CH51381A
(en )
1911-09-01
Formwork for reinforced concrete constructions
FR427511A
(en )
1911-08-05
Reinforced concrete sleeper for railways
AT68202B
(en )
1915-03-26
Reinforced concrete sleeper.
FR417120A
(en )
1910-11-07
Improvements made to reinforced concrete constructions
FR417123A
(en )
1910-11-07
Improvements made to reinforced concrete constructions
FR417122A
(en )
1910-11-07
Improvements made to reinforced concrete constructions
FR417121A
(en )
1910-11-07
Improvements made to reinforced concrete constructions
FR417124A
(en )
1910-11-07
Improvements made to reinforced concrete constructions