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optical windows
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OPTICAL prism
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Palmprint prism
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Palmprint prism
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Periscope Prism 8963
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Periscope Prism 8267
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Periscope Prism 8673
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Periscope Prism 8403
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Periscope Prism 7572
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Periscope Prism 1569
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Periscope Prism 1570
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Periscope Prism 353-14
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Periscope Prism 353-15
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Periscope Prism 101-19
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Periscope Prism 198-20
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Periscope Prism 60-19