US PATENT SUBCLASS 147 / *
.~ Rotating barrel


Current as of: June, 1999
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147 /   HD   COOPERING

*  DD  CROZING AND CHAMFERING BARRELS {3}
*.~ Rotating barrel {4}
14  DF  .~.~> Expansible cutter head
15  DF  .~.~> Rotary cutter head
16  DF  .~.~> Sliding tool
17  DF  .~.~> Swinging tool