US PATENT SUBCLASS 178 / 30
.~.~ Character elements

Current as of: June, 1999
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2 R  DF  SYSTEMS {21}
23 R  DF  .~ Printing {8}
30.~.~ Character elements

DEFINITION

Classification: 178/30

(under subclass 23) Printing systems in which each character is printed by the action of one or more of the printing elements that together form and record the character transmitted.