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Title:
偏肉金属管の押出し加工方法およびその加工用ダイス
Document Type and Number:
Japanese Patent JP4259854
Kind Code:
B2
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Inventors:
Masayasu Kojima
Saburo Inoue
Application Number:
JP2002338957A
Publication Date:
April 30, 2009
Filing Date:
November 22, 2002
Export Citation:
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Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
Sumitomo Steel Pipe Co., Ltd.
International Classes:
B21C37/15; B21D41/04; B21C1/22; B21C3/02; B21D53/88
Domestic Patent References:
JP5758936A
JP2000140932A
JP10148278A
JP55136529A
Attorney, Agent or Firm:
Michio Mori



 
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