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/ Enciclopedia de la Ciencia 2.0 / ZETACIE2.bin / PHYSN_S / REFR / refr4z2b.png

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Portable Network Graphic  |  1998-07-01  |  3KB  |  316x80  |  8-bit (50 colors)

Labels: cassegrainian telescope | clock | optical telescope | scauper | sky
OCR: M

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