|
US1808606A
|
|
Hydraulic safety device for power presses and the like
|
|
US1798106A
|
|
Shears for cutting profiled material
|
|
GB312898A
|
|
Improvements in or relating to shear blades
|
|
GB290537A
|
|
Improvements in or relating to metal-shearing machines
|
|
GB263682A
|
|
Improvements in or relating to machines for shearing metal sections or joists
|
|
GB255780A
|
|
Improvements in or relating to sheet shearing machines
|
|
GB261540A
|
|
Improvements in or relating to disengaging gear for one-revolution claw couplings
|
|
GB246425A
|
|
Improvements in shearing machines for metal
|
|
US1569569A
|
|
Metal-cutting machine
|
|
US1589657A
|
|
Metal-working machine
|
|
US1562045A
|
|
Reciprocating shearing machine
|
|
US1589656A
|
|
Billet shears
|
