Robert Dunbar
![Dunbar patent US226047A for grain elevator improvement invention](https://upload.wikimedia.org/wikipedia/commons/b/b5/Dunbar_patent_US226047A.jpg)
1
Published: 2008.
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2
Published: [2022]
Superior document: Title is part of eBook package: De Gruyter Edinburgh University Press Backlist eBook-Package 2013-2000
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3
Published: [2022]
Superior document: Title is part of eBook package: De Gruyter Edinburgh University Press Backlist eBook-Package 2013-2000
Links: Get full text; Get full text; Cover
4
Published: [2022]
Superior document: Title is part of eBook package: De Gruyter Edinburgh University Press Complete eBook-Package 2018
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5
Published: [2022]
Superior document: Title is part of eBook package: De Gruyter Edinburgh University Press Complete eBook-Package 2020
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