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Dictionary of Gems and Gemology

2009 Edition

| Editors: Mohsen Manutchehr-Danai

penlight torch

Reference work entry

DOI: https://doi.org/10.1007/978-3-540-72816-0_16522

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Hanneman penlight torch.

Copyright information

© Springer-Verlag Berlin Heidelberg New York 2009

How to cite

Cite this entry as:: (2009) penlight torch. In: Manutchehr-Danai M. (eds) Dictionary of Gems and Gemology. Springer, Berlin, Heidelberg