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Title:
チャックカラーの振れ止め装置およびチャックカラー並びにチャックカラーの振れ止め方法
Document Type and Number:
Japanese Patent JP4106304
Kind Code:
B2
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Inventors:
Makoto Nagata
Application Number:
JP2003137678A
Publication Date:
June 25, 2008
Filing Date:
May 15, 2003
Export Citation:
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Assignee:
Nippon Steel Corporation
Nippon Steel Engineering Co., Ltd.
International Classes:
E02D7/22; E21B3/02
Domestic Patent References:
JP2002173937A
Attorney, Agent or Firm:
Nobuyuki Hayashi
Takehiko Katayose
Yasuhiko



 
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