|
GB190805139A
|
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Improved Method and Apparatus for Solidifying Ingots.
|
|
CA134742A
|
|
Rail manufacture
|
|
GB190617756A
|
|
Improved Method of and Apparatus for Rolling Rails or other Elongated Metal Shapes
|
|
GB190617082A
|
|
Improvements in Process of Making Steel Shapes for Columns, and the like.
|
|
GB190616616A
|
|
Improvements in Process of Rerolling Rails.
|
|
CA134741A
|
|
Rail manufacture
|
|
GB190427711A
|
|
Improved Method of and Apparatus for Rolling Rails or other Elongated Metal Shapes.
|
|
CA73280A
|
|
Railway tie
|
|
GB190116888A
|
|
Improvements in Railroad Ties or Sleepers
|
|
US714270A
|
|
Railroad-tie.
|
|
CA67454A
|
|
Method of re-rolling rails
|
