peoplepill id: otto-b-blackwell
OBB
United States of America
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Otto B. Blackwell
American engineer

Otto B. Blackwell

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Otto B. Blackwell is in following lists

By field of work

Notable American engineers

Gender:Male, Born in:Years 1850 to 1899

By work and/or country

Notable American Engineers

Gender:Male, Born in:Years 1850 to 1899
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Otto B. Blackwell
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