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US Patent: 814,003
Hammer for Beating Leaf Metal
Patentee:
Hans E. Grabau (exact or similar names) - New York, NY

USPTO Classifications:
72/431

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 01, 1905
Granted: Feb. 27, 1906

Patent Pictures:
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