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US4466569A
(en)
|
|
Anchoring a railway rail-fastening clip to a foundation for a railway rail
|
|
US3762641A
(en)
|
|
Railroad track
|
|
US3442452A
(en)
|
|
Rail fastening means for use in railway tracks
|
|
GB1512077A
(en)
|
|
Composite railway tie
|
|
US791772A
(en)
|
|
Rail-support.
|
|
US925698A
(en)
|
|
Railway-tie.
|
|
US1645514A
(en)
|
|
Railroad tie
|
|
US1362561A
(en)
|
|
Reinforced-concrete railway-tie
|
|
US1012152A
(en)
|
|
Reinforced-concrete railway tie and rail-securing means.
|
|
RU49831U1
(ru)
|
|
Железобетонная шпала
|
|
US1712545A
(en)
|
|
Railroad tie
|
|
WO2001079610A1
(en)
|
|
Sleeper and railway built by means of the latter
|
|
FR2283258A1
(fr)
|
|
Traverse mixte de chemin de fer
|
|
US1004932A
(en)
|
|
Railway-track construction.
|
|
US1752451A
(en)
|
|
Base plate for railroad-track structures
|
|
US894253A
(en)
|
|
Reinforced concrete cross-tie.
|
|
US973828A
(en)
|
|
Anchorage for concrete work.
|
|
US761872A
(en)
|
|
Composite metallic and concrete tie for railways.
|
|
US614638A
(en)
|
|
Railroad-tie |
|
US1115464A
(en)
|
|
Railroad-tie.
|
|
US1330295A
(en)
|
|
Metal-reinforced concrete tie
|
|
GB916192A
(en)
|
|
Improvements relating to sections for constructing railway sleepers
|
|
US1165910A
(en)
|
|
Railway-tie.
|
|
US790911A
(en)
|
|
Railway-tie.
|
|
US818318A
(en)
|
|
Railroad-tie.
|