US PATENT SUBCLASS 420 / 419
.~.~ Tin containing

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

417  DF  TITANIUM BASE {2}
418  DF  .~ Aluminum containing {2}
419.~.~ Tin containing

DEFINITION

Classification: 420/419

Tin containing:

(under subclass 418) Alloy, or metallic composition which additionally contains tin.