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GB191312453A
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Improvements in Machines for Boring, Punching or Stamping Holes in Rolled Metal.
|
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US1087784A
|
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Machine-tool.
|
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CA148209A
|
|
Drill for rolled metal
|
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US1046394A
|
|
Machine-tool.
|
|
GB191202934A
|
|
Apparatus for Drilling, Punching or Stamping Constructional Metal Members and the like.
|
|
GB191219760A
|
|
Guiding Device for Machines for Drilling, Punching or Stamping Constructive Members of Rolled Metal.
|
|
CA139252A
|
|
Apparatus for drilling, punching or stamping metal members, etc.
|
|
US1023740A
|
|
Spacing-machine.
|
|
GB191125661A
|
|
Apparatus for Drilling, Punching or Stamping Constructional Metal Members and the like.
|
|
GB191101353A
|
|
Apparatus for Drilling, Punching or Stamping Constructional Metal Members and the like.
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