US PATENT SUBCLASS 148 / 426
.~ Nickel base

Current as of: June, 1999
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148 /   HD   METAL TREATMENT

400  DF  STOCK {20}
426.~ Nickel base {2}
427  DF  .~.~> Chromium containing {1}
429  DF  .~.~> Aluminum containing

DEFINITION

Classification: 148/426

Nickel base:

(under subclass 400) Stock material which contains over 50 percent of nickel by weight.