|
GB648258A
|
|
Graphitic alloy steel castings and the nitriding of such castings
|
|
GB424181A
|
|
Improvements in moulds for centrifugal casting of metals
|
|
GB423489A
|
|
Improvements in or relating to the casting of articles to be hardened by nitrogenisation
|
|
GB410400A
|
|
An improved process for hardening corrosion-resisting iron and steel alloys by nitrogenisation
|
|
GB338655A
|
|
Improvements in and relating to steel alloys
|
|
GB341907A
|
|
Improvements in and relating to steel alloys
|
|
CA313813A
|
|
Steel swage
|
|
CA316380A
|
|
Steel alloy
|
|
CA322106A
|
|
Non-corrosive steel or cast iron article
|
|
CA316379A
|
|
Steel alloy
|
|
CA354826A
|
|
Casting production
|
|
CA351384A
|
|
Malleableized cast iron
|
|
CA310692A
|
|
Process of hardening metal articles by nitrogenization
|
|
CA316377A
|
|
Iron hardening method
|
|
CA316381A
|
|
Steel alloy
|
|
CA316378A
|
|
Steel alloy
|
|
CA351383A
|
|
Malleableized cast iron
|
|
CA328106A
|
|
Electric resistance furnace
|
|
CA328107A
|
|
Cast iron hardening method
|
