Hach Company
Archival Resources
| Role | Title | Holding Repository | |
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| referencedIn | Hach-Darrow, Kathryn C, 1922-. Oral history interview with Kathryn C. Hach-Darrow 20 July 2002, 2 October 2003, and 8 February 2004 | Chemical Heritage Foundation, Othmer Library of Chemical History |
Bibliographic and Digital Archival Resources
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| Relation | Name | |
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| associatedWith | Hach-Darrow, Kathryn C, 1922- | person |
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