US PATENT SUBCLASS 420 / 466
PLATINUM BASE

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

466PLATINUM BASE {2}
467  DF  .~> Rhodium containing
468  DF  .~> Nickel containing

DEFINITION

Classification: 420/466

PLATINUM BASE:

(under the class definition) Alloy, or metallic composition which contains over 50 percent of platinum by weight.