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JPS5936249B2 Expired / Lapsed JP ⏱️ 0.0 years remaining

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Assignee: NTT Inc
•
Filing: 1978-03-17
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Granted: —
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Expires: 1998-03-17
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Abstract

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Inventors

  • 👤 修 三上

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-02 16:06
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/29; G02F1/31; G02F1/313; G02F1/3132

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