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Patent number:
Patent Date:
CA Patent: CA-19,015
Rotary steam engine
Patentee:
William Duffield (
exact
or
similar
names) - London, ON Canada
USPTO Classifications:
Tool Categories:
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Granted:
Jan. 01, 1884
Patent Pictures:
CIPO Data
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