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US Patent: 30,234
Machine for Planing Valve Seats of Steam Engines
Patentee:
Charles B. Long (exact or similar names) - Worcester, MA

USPTO Classifications:
409/333

Tool Categories:
metalworking machines : metal planers

Assignees:
None

Manufacturer:
H. C. Pease & Co. - Worcester, MA

Witnesses:
E. B. Stoddard
M. Goldthwait
Patent Dates:
Granted: Oct. 02, 1860

Patent Pictures:
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