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GB514224A
|
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Heel with exchangeable tip
|
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US2181110A
|
|
Heel with exchangeable tip
|
|
US2023727A
|
|
Manufacture of seamless tubes
|
|
GB438376A
|
|
Improvements relating to the manufacture of metal tubes
|
|
GB436448A
|
|
An improved method of producing seamless tubes
|
|
GB432047A
|
|
Improvements in pilger rolls
|
|
GB396669A
|
|
An improved method of producing an end thickening in tubular bodies made by rolling with skew rolls
|
|
US1999324A
|
|
Method of producing an end thickening in tubular bodies made by rolling with skew rolls
|
|
GB404843A
|
|
Improvements in and relating to heels for shoes or the like
|
|
US2017397A
|
|
Method and apparatus for welding tubes
|
|
US2018300A
|
|
Method of producing industrial iron by means of iron sponge
|
|
GB406455A
|
|
Method of producing industrial iron by means of iron sponge
|
|
GB394249A
|
|
Improvements in and relating to the welding of tubes by drawing
|
|
GB356350A
|
|
Method of rolling seamless tubes
|
|
US1868227A
|
|
Rolling mill
|
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GB340282A
|
|
Improvements relating to oblique rolling mills
|
|
GB279879A
|
|
Improvements in or relating to jigging conveyors
|
|
US1808957A
|
|
Manufacture of seamless tubes
|
|
GB267846A
|
|
Direction indicator for motor-vehicles
|
|
GB254740A
|
|
Improvements in devices for signalling change of direction of motor vehicles
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