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JPS591679A Expired / Lapsed JP ⏱️ 0.0 years remaining

Etching solution control method

Assignee: Mitsubishi Gas Chemical Co Inc
•
Filing: 1982-06-25
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Granted: —
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Expires: 2002-06-25
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Abstract

Abstract Translated from Japanese (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。 (57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Inventors

  • 👤 Ryozo Kawai
  • 👤 河合 良三
  • 👤 Jun Kokubu
  • 👤 国分 純
  • 👤 Yoshiji Namikawa
  • 👤 好次 南川
  • 👤 Yutaka Oshida
  • 👤 豊 押田

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-09 12:50
CPC Classifications
C; C23; C23F; C23F1/00

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