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CA Patent: CA-39,585
Electric transformer
Patentee:
Michael von Dolivo-Dobrowolsky (exact or similar names) - Berlin, Germany

USPTO Classifications:

Tool Categories:
electrical devices

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jul. 30, 1892

Patent Pictures:
CIPO Data
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