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 corporation presentation |
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manufacture presentation |
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manufacture presentation
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thickness：1.2MM |
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Technology：plating aurum |
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Aperture： |
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Line spacing： |
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thickness：1.6MM |
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Technology：plating aurum |
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Aperture： |
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Line spacing： |
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thickness：1.6MM |
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Technology：Spray stannum |
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Aperture： |
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Line spacing： |
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