B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
77/31
B23B 51/00 (2006.01) B23B 51/04 (2006.01)
Patent
CA 1135538
ANNULAR HOLE CUTTER Abstract of the Disclosure An annular cutter wherein the outer periphery of the cutter side wall is accurately concentric to the central rotary axis of the cutter and the inner periphery of the cutter side wall is eccentric to a predetermined amount with respect to the outer periphery of the side wall. ------------ o -----------
372757
Hougen Everett D.
Marks & Clerk
LandOfFree
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