US PATENT SUBCLASS 420 / 565
.~.~ Tin containing

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

563  DF  LEAD BASE {8}
564  DF  .~ Alkali, alkaline earth metal or magnesium containing {1}
565.~.~ Tin containing

DEFINITION

Classification: 420/565

Tin containing:

(under subclass 564) Alloy, or metallic composition which additionally contains tin.