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| Encapçalament acceptat |
Franklin Institute (Filadèlfia, Pennsilvània) |
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Consulta a Cercabib aquest autor
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| Emprat per |
Franklin Institute of the State of Pennsylvania for the Promotion of the Mechanic Arts |
| Emprat per |
Franklin Institute of State of Pennsylvania |
| Emprat per |
Franklin Institute (Philadelphia, Pa.) |
| Font |
LC/NAF, consulta feta el 5 de febrer, 2019 (punt d'accés: Franklin Institute (Philadelphia, Pa.)) |
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