US PATENT SUBCLASS 420 / 512
.~ Iron, cobalt, or nickel containing
Current as of:
June, 1999
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420 /
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ALLOYS OR METALLIC COMPOSITIONS
507
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{4}
512
.~ Iron, cobalt, or nickel containing
DEFINITION
Classification: 420/512
Iron, cobalt or nickel containing:
(under subclass 507) Alloy, or metallic composition which additionally contains at least one of the metals iron, cobalt, or nickel.