Otto C. Koppen
id:
otto-c-koppen-304-8341354
title:
Otto C. Koppen
text:
Otto C. Koppen was an American aircraft engineer.
brand slug:
wiki
category slug:
encyclopedia
description:
American aircraft engineer
original url:
https://en.wikipedia.org/wiki/Otto_C._Koppen
date created:
date modified:
2023-09-27T00:07:39Z
main entity:
{"identifier":"Q7109547","url":"https://www.wikidata.org/entity/Q7109547"}
image:
fields total:
13
integrity:
14