US PATENT SUBCLASS 420 / 508
.~ Palladium containing

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

507  DF  GOLD BASE {4}
508.~ Palladium containing {1}
509  DF  .~.~> Platinum containing

DEFINITION

Classification: 420/508

Palladium containing:

(under subclass 507) Alloy, or metallic composition which additionally contains palladium.