US PATENT SUBCLASS 420 / 462
RUTHENIUM OR RHODIUM BASE
Current as of:
June, 1999
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420 /
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ALLOYS OR METALLIC COMPOSITIONS
462
RUTHENIUM 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.
