US PATENT SUBCLASS 420 / 523
.~ Cadmium containing

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

513  DF  ZINC BASE {4}
523.~ Cadmium containing

DEFINITION

Classification: 420/523

Cadmium containing:

(under subclass 513) Alloy, or metallic composition which additionally contains cadmium.