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Digital display device for surface-roughness measuring instruments

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Assignee: MATSUMIYA SADAYUKIPriority: Apr 4, 2012Filed: Jun 15, 2012Granted: Jul 16, 2013
Est. expiryApr 4, 2032(~5.7 yrs left)· nominal 20-yr term from priority
Inventors:Sadayuki MatsumiyaShigeru OhtaniKenji IwamotoNobuyuki HamaKeiji Yamada
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Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       We claim the ornamental design for a digital display device for surface-roughness measuring instruments, as shown and described.

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