Port City Machine & Tool Company

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Muskegon Heights, MI, US

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Information Patent Grant
Mechanical feed EDM machine for making threaded and nonthreaded bores
- Patent number 4,628,171
- Issue date Dec 9, 1986
- Port City Machine & Tool Company
- Lloyd E. Colby
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

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