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Precious stone testing apparatus

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Assignee: ZHU XIU LINGPriority: Feb 24, 2014Filed: Feb 24, 2014Granted: Jun 30, 2015
Est. expiryFeb 24, 2034(~7.6 yrs left)· nominal 20-yr term from priority
Inventors:Xiu Ling ZhuGary Bruce Peckham
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4
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3
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1
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Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a precious stone testing apparatus, as shown and described.

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