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CA Patent: CA-152,874
Valve for steam engines
Patentee:
John O. Longan (exact or similar names) - McGee, SK Canada

USPTO Classifications:

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Sep. 12, 1913

Patent Pictures:
CIPO Data
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