Keffer, Robert, 1889–1927
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 55338
Robert Keffer Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| Methods in non-ferrous metallurgical analysis | 1928 | Author | |  | |  | | 
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