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1996-10-09
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2003-06-11
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2001-02-28
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2003-01-30
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1998-10-21
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2001-10-15
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1999-12-28
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1999-05-28
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1999-12-28
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2003-06-30
Steel for railway crossing points
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2001-12-12
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2000-12-06
Removable embedded rail track
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2001-08-21
Improved railway sleeper structure
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1998-09-23
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2003-02-06
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2002-08-01
Rail spike for concrete ties
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2001-04-30
Extended life sleeper for fastening of railroad
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2001-01-21
Structurally modified rail block
HU9800010V0
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1998-03-30
Anchorage for railway cross sleeper
HU9901735D0
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1999-07-28
Devided plastic rail pad for sleepers and method for producing such pad
AUPP151498A0
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1998-02-19
Railway sleepers
PL111260U1
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2002-02-11
Rail-tractor for use in maintenance of tramway tracks
ZA969155B
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1997-08-27
Railway sleepers
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2000-03-15
Track condition monitoring railway sleeper