4. B - Operations, Transporting
  5. 21
  6. K

Edward R. Knapp

B - Operations – Transporting – 21 – K

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Inventor

Manufacture of rings for rolling bearings

B - Operations – Transporting – 21 – K
Patent

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Roller bearing rings

F - Mech Eng,Light,Heat,Weapons – 16 – C
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Profile ID: LFCA-PAI-P-685149

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