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CA Patent: CA-4,137
Apparatus for high pressure steam engines
Patentees:
John C. Hodgins - Toronto, ON Canada
Joseph Delworth - Toronto, ON Canada

USPTO Classifications:

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jan. 01, 1874

Patent Pictures:
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