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2019-03-14T01:04:45Z
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0.5
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2019-03-14T01:04:45Z
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2019-03-14T01:03:25Z
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2019-03-14T01:06:02Z
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0.5
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0.5
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2020-11-02T05:30:38Z
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0.5
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2020-11-02T05:51:05Z
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2020-11-02T05:51:17Z
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0.5
https://www.opto-tech.com/kb/32-optalix/800-gradient-index.html
2020-11-02T05:52:11Z
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0.5
https://www.opto-tech.com/kb/32-optalix/802-zoom-and-multi-configuration.html
2020-11-02T05:54:09Z
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0.5
https://www.opto-tech.com/kb/32-optalix/804-fresnel-lens.html
2020-11-02T05:55:00Z
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0.5
https://www.opto-tech.com/kb/32-optalix/811-user-defined-graphics.html
2020-11-02T05:57:37Z
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0.5
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0.5
https://www.opto-tech.com/kb/37-optilayer/788-optilayer-thin-film-design-example-03.html
2020-11-02T06:14:00Z
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0.5
https://www.opto-tech.com/kb/37-optilayer/792-optilayer-lite-optilayer-professional.html
2020-11-02T06:15:06Z
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0.5
https://www.opto-tech.com/contact.html
2019-03-08T13:07:40Z
daily
0.8
https://www.opto-tech.com/sitemap.html
daily
0.5