US PATENT SUBCLASS 147 / 39
.~.~ Chisel cutter

Current as of: June, 1999
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147 /   HD   COOPERING

*  DD  BARREL HEAD-MAKING {5}
*  DD  .~ Rotary chuck {2}
39.~.~ Chisel cutter

DEFINITION

Classification: 147/39

Lathe-like machines exclusively adapted for forming barrel-heads.