US PATENT SUBCLASS 420 / 459
.~ Iron or manganese containing

Current as of: June, 1999
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420 /   HD   ALLOYS OR METALLIC COMPOSITIONS

441  DF  NICKEL BASE {6}
459.~ Iron or manganese containing

DEFINITION

Classification: 420/459

Iron or manganese containing:

(under subclass 441) Alloy, or metallic composition which

additionally contains at least one of the metals iron, or manganese.