US PATENT SUBCLASS 420 / 574
.~ Zinc containing


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

563  DF  LEAD BASE {8}
574.~ Zinc containing


DEFINITION

Classification: 420/574

Zinc containing:

(under subclass 563) Alloy, or metallic composition which additionally contains zinc.