US PATENT SUBCLASS 420 / 462
RUTHENIUM OR RHODIUM BASE


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

462RUTHENIUM OR RHODIUM BASE


DEFINITION

Classification: 420/462

RUTHENIUM OR RHODIUM BASE:

(under the class definition) Alloy, or metallic composition which contains over 50 percent of ruthenium or over 50 percent of rhodium by weight.