US PATENT SUBCLASS 193 / *
.~ Vertical pipe

Current as of: June, 1999
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193 /   HD   CONVEYORS, CHUTES, SKIDS, GUIDES, AND WAYS

2 R  DF  CHUTES {25}
*.~ Vertical pipe {2}
29  DF  .~.~> Multiple-point discharge
30  DF  .~.~> Telescopic