Title:
内面異形管の冷間圧延用工具
Document Type and Number:
Japanese Patent JP4093030
Kind Code:
B2
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Inventors:
Toshihide Ono
Application Number:
JP2002344064A
Publication Date:
May 28, 2008
Filing Date:
November 27, 2002
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
B21B25/00; B21B21/00; B21C37/15
Domestic Patent References:
| JP3281006A | ||||
| JP2217105A | ||||
| JP2001074384A |
Attorney, Agent or Firm:
Michio Mori
Terutada Hogami
Terutada Hogami