AT288464B
(en )
1971-03-10
Rail fastening, especially on concrete sleepers
AT187130B
(en )
1956-10-25
Rail fastening on concrete foundations, in particular on reinforced concrete sleepers
CH309476A
(en )
1955-09-15
Reinforcing steel element for reinforced concrete structures.
AT233043B
(en )
1964-04-25
Machine that can be driven on tracks, especially track tamping machine
AT181611B
(en )
1955-04-12
Rail fastening on artificial stone sleepers, in particular reinforced concrete sleepers, on steel sleepers, wooden sleepers or the like.
AT196432B
(en )
1958-03-25
Concrete sleeper with spaced steel reinforcement
FR1064397A
(en )
1954-05-13
Reinforced concrete framing
AT181066B
(en )
1955-02-10
Reinforcing steel for reinforced concrete structures
FR1109766A
(en )
1956-02-01
Reinforced concrete sleeper
FR1167520A
(en )
1958-11-26
Improvements to reinforced concrete railway sleepers
AT245021B
(en )
1966-02-10
Railway superstructure with reinforced concrete cross sleepers lined up closely
AT170105B
(en )
1952-01-25
Reinforced concrete steps
ES35573Y
(en )
1953-09-01
Reinforced concrete fence, improved
ES41984Y
(en )
1957-03-16
Rail fastening system on concrete sleepers
AT179398B
(en )
1954-08-25
Rail fastening on rigid foundations, especially for crane rails
DK75168C
(en )
1952-12-22
Reinforced concrete sleeper.
ES86762Y
(en )
1961-10-16
Reinforced concrete sleeper
AT186280B
(en )
1956-07-25
Reinforced concrete railway sleeper
DK79968C
(en )
1955-10-10
Reinforcing element for concrete, in particular for prestressed concrete.
DK97156C
(en )
1963-10-21
Reinforcement unit for prestressed, reinforced concrete structures.
ES40886Y
(en )
1957-02-16
Prestressed concrete sleeper
AT178103B
(en )
1954-04-10
Prestressed concrete sleeper
AT192097B
(en )
1957-09-25
Prestressed reinforced concrete structure
FR1066546A
(en )
1954-06-08
Prefabricated reinforced concrete construction frame
FR1185857A
(en )
1959-08-07
Economic reinforced concrete roof