US PATENT SUBCLASS 462 / 20
.~.~ Multiple books

Current as of: June, 1999
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462 /   HD   BOOKS, STRIPS, AND LEAVES FOR MANIFOLDING

17  DF  BOOK AND LEAF {4}
18  DF  .~ Multiple copy {2}
20.~.~ Multiple books

DEFINITION

Classification: 462/20

Multiple books*:

(under subclass 18) Subject matter including a plurality of books* utilized for manifolding*.