US PATENT SUBCLASS 420 / 413
.~ Manganese containing

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

402  DF  MAGNESIUM BASE {6}
413.~ Manganese containing

DEFINITION

Classification: 420/413

Manganese containing:

(under subclass 402) Alloy, or metallic composition which additionally contains manganese.