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Title:
推進工法用ヒューム管の鉄筋籠及びこの鉄筋籠を使用した推進工法用ヒューム管の製造方法
Document Type and Number:
Japanese Patent JP4415409
Kind Code:
B2
Inventors:
Takamitsu Tazawa
Application Number:
JP2003271263A
Publication Date:
February 17, 2010
Filing Date:
July 07, 2003
Export Citation:
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Assignee:
Fujimura Hume Tube Co., Ltd.
International Classes:
B28B23/20; E21D9/06; B28B21/30
Domestic Patent References:
JP8120667A
Attorney, Agent or Firm:
Kazutoyo Watanabe



 
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