US PATENT SUBCLASS 164 / 302
.~.~ Including core means

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

271  DF  MEANS TO SHAPE METALLIC MATERIAL {12}
284  DF  .~ Pressure shaping means {5}
302.~.~ Including core means

DEFINITION

Classification: 164/302

(under subclass 286) Apparatus which include a separate shaping member which forms an aperture in the product.