US PATENT SUBCLASS 420 / 487
.~.~ Iron or manganese containing

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

469  DF  COPPER BASE {15}
485  DF  .~ Nickel containing {3}
487.~.~ Iron or manganese containing

DEFINITION

Classification: 420/487

Iron or manganese containing:

(under subclass 485) Alloy, or metallic composition which additionally contains at least one of the metals iron, or manganese.