US PATENT SUBCLASS 164 / 143
.~.~ Having pressure changing means

Current as of: June, 1999
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164 /   HD   METAL FOUNDING

139  DF  APPARATUS FOR CASTING PRINTING PLATES (E.G., STEREOTYPE, ETC.) {4}
141  DF  .~ Including melting chamber {2}
143.~.~ Having pressure changing means

DEFINITION

Classification: 164/143

Apparatus under subclasses 520+ which include a means applying pressure to introduce the casting material into the shaping member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

284+, for pressure forming means.