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GB515638A
|
|
Improvements in or relating to the manufacture of hollow forgings
|
|
GB515641A
|
|
Improvements in or relating to the manufacture of steel forgings
|
|
GB504296A
|
|
Improvements in or relating to the production of steel ingots and the rolling of material therefrom
|
|
GB488378A
|
|
Improvements in or relating to the manufacture of forged hollow bodies
|
|
GB428453A
|
|
Improvements in or relating to the production of steel tubes
|
|
GB412218A
|
|
Improvements in or relating to the manufacture of hollow ingots and tubes
|
|
GB408013A
|
|
Improvements in apparatus for the production of hollow ingots
|
|
GB406666A
|
|
Improvements in plungers for use in forming hollow ingots
|
|
GB402205A
|
|
Improvements in forming hollow ingots
|
|
GB402096A
|
|
Improvements in or relating to apparatus for the production of hollow ingots
|
|
GB402097A
|
|
Improvements in or relating to ingot casting machines
|
|
GB381790A
|
|
Improved manufacture of hollow ingots
|
|
GB244714A
|
|
Improvements in hammer drills
|
|
GB211747A
|
|
Improvements in fluid distributing arrangements for percussive machines
|
|
GB177447A
|
|
Improvements in rotating devices for percussive rock drills
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