US PATENT SUBCLASS 148 / 314
.~.~ Manganese base

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

400  DF  STOCK {20}
300  DF  .~ Magnetic {7}
314.~.~ Manganese base

DEFINITION

Classification: 148/314

Manganese base:

(under subclass 300) Stock material which contains over 50 percent manganese.