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Title:
【発明の名称】孔壁観察用複合ミラーとこれを用いた昇降ゾンデ
Document Type and Number:
Japanese Patent JP2782114
Kind Code:
B2
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Inventors:
Shunichi Kameda
Application Number:
JP28782790A
Publication Date:
July 30, 1998
Filing Date:
October 25, 1990
Export Citation:
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Assignee:
Reax Co., Ltd.
International Classes:
E21B49/00; G01N21/84; G01N21/88; G01N21/954; G02B23/24; (IPC1-7): E21B49/00
Attorney, Agent or Firm:
Kiyoshi Minoura



 
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