US PATENT SUBCLASS 420 / 571
.~.~ Antimony containing

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

563  DF  LEAD BASE {8}
570  DF  .~ Tin containing {1}
571.~.~ Antimony containing

DEFINITION

Classification: 420/571

Antimony containing:

(under subclass 570) Alloy, or metallic composition which additionally contains antimony.