US PATENT SUBCLASS 420 / 533
.~.~ Magnesium containing


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

528  DF  ALUMINUM BASE {7}
529  DF  .~ Copper containing {6}
533.~.~ Magnesium containing {1}
534  DF  .~.~.~> Silicon containing {2}


DEFINITION

Classification: 420/533

Magnesium containing:

(under subclass 529) Alloy, or metallic composition which additionally contains magnesium.