US PATENT SUBCLASS 148 / 416
.~.~.~ Copper containing

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

400  DF  STOCK {20}
405  DF  .~ Age or precipitation hardened or strengthened {7}
415  DF  .~.~ Aluminum base {1}
416.~.~.~ Copper containing {1}
417  DF  .~.~.~.~> Magnesium containing {1}

DEFINITION

Classification: 148/416

Copper containing:

(under subclass 415) Stock material which additionally contains copper.