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US Patent: 40,225
Apparatus for Planing Canon Chambers
Patentee:
Abram Alexander - Pittsburg, Allegheny County, PA

USPTO Classifications:
82/1.5, 82/12

Tool Categories:
metalworking machines : metal planers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Oct. 13, 1863

Patent Pictures:
USPTO pdf tiff
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