|
CA392049A
|
|
Acid resisting apparatus
|
|
CA432540A
|
|
Metal casting method
|
|
CA385093A
|
|
Heat and cold resisting apparatus
|
|
CA374214A
|
|
Ore processing
|
|
CA309048A
|
|
Process of case hardening by nitrification
|
|
CA365205A
|
|
Welding flux and rod
|
|
CA272167A
|
|
Metal-treating composition
|
|
CA335257A
|
|
Metal container
|
|
CA351829A
|
|
Composite metal article
|
|
CA285169A
|
|
Casting method for chromium articles
|
|
CA450111A
|
|
Deep drawing steel containing chromium
|
|
CA315915A
|
|
Alloy
|
|
CA269085A
|
|
Hollow article
|
|
CA439414A
|
|
Cold rolled manganese steel
|
|
CA469189A
|
|
Separation of columbium and tantalum
|
|
CA331111A
|
|
Corrosion resistant alloy
|
|
CA373048A
|
|
Ferrous metal purification
|
|
CA302309A
|
|
Alloy
|
|
CA408248A
|
|
Cast iron treating method
|
|
CA409955A
|
|
Cutting tool
|
