US PATENT SUBCLASS 148 / 428
.~.~.~ Aluminum containing
Current as of:
June, 1999
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148 /
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METAL TREATMENT
400
DF
STOCK
{20}
426
DF
.~ Nickel base {2}
427
DF
.~.~ Chromium containing {1}
428
.~.~.~ Aluminum containing
DEFINITION
Classification: 148/428
Aluminum containing:
(under subclass 427) Stock material which additionally contains aluminum.
