|
US3798944A
|
|
Forging presses
|
|
GB1224260A
|
|
Improvements in upsetting or forging machines
|
|
GB1224259A
|
|
Improvements in upsetting or forging machines
|
|
GB885262A
|
|
Improvements in or relating to automatic friction drop hammers
|
|
GB885219A
|
|
Improvements in or relating to friction drop hammers
|
|
GB883144A
|
|
Improvements in or relating to the making of chain links
|
|
GB883046A
|
|
Improvements in counter-blow hammers
|
|
GB864059A
|
|
Improvements in sensitive or quickly responsive servo-control mechanisms for moving parts of machines
|
|
FR1207583A
|
|
Friction hammer refinements
|
|
FR1198709A
|
|
Friction hammer refinements
|
|
FR1184885A
|
|
Automatic friction sheep improvements
|
|
GB842169A
|
|
Improvements in or relating to friction drop hammers
|
|
GB815033A
|
|
Improvements in or relating to drop hammers
|
|
GB851019A
|
|
Improvements in or relating to metal working presses
|
|
GB813656A
|
|
Improved method of making chain links
|
|
FR1153760A
|
|
Improvements to sheep, swifts or hammers
|
|
GB824486A
|
|
Improvements in or relating to hydraulically-operated forging machines
|
|
GB825836A
|
|
Improvements in or relating to the hot working of metal work-pieces
|
|
GB813045A
|
|
Improvements in automatic friction drop hammers
|
|
GB798748A
|
|
Improvements in stamps or hammers
|
