US PATENT SUBCLASS 19 / 2
.~ Animal fibers

Current as of: June, 1999
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19 /   HD   TEXTILES: FIBER PREPARATION

1  DF  LIBERATING {4}
2.~ Animal fibers {2}
3  DF  .~.~> Silk
4  DF  .~.~> Feathers

DEFINITION

Classification: 19/2

The fibers being of animal origin.