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CA Patent: CA-7,583
Metal Coil Piston Packing for Steam Engines
Patentees:
Benjamin Holland - Hamilton, ON Canada
Robert D. Kennedy - Hamilton, ON Canada

USPTO Classifications:

Tool Categories:
propulsion and energy : steam engines : steam engine pistons : piston ring and packing

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jan. 01, 1877

Patent Pictures:
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