US PATENT SUBCLASS 148 / 301
.~.~ Rare earth and transition metal containing


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

400  DF  STOCK {20}
300  DF  .~ Magnetic {7}
301.~.~ Rare earth and transition metal containing {2}
302  DF  .~.~.~> Boron containing
303  DF  .~.~.~> Copper containing


DEFINITION

Classification: 148/301

Rare earth and transition metal containing:

(under subclass 300) Stock material which contains both a rare earth metal and a transition metal, e.g., Co5 Sm etc.