US PATENT SUBCLASS 420 / 541
.~.~ Magnesium containing

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

528  DF  ALUMINUM BASE {7}
540  DF  .~ Zinc containing {1}
541.~.~ Magnesium containing

DEFINITION

Classification: 420/541

Magnesium containing:

(under subclass 540) Alloy, or metallic composition which additionally contains magnesium.