Title:
カーリング加工用溶接鋼管
Document Type and Number:
Japanese Patent JP3997290
Kind Code:
B2
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Inventors:
Masato Otsuka
Ishikawa Hanji
Ishikawa Hanji
Application Number:
JP2001313103A
Publication Date:
October 24, 2007
Filing Date:
October 10, 2001
Export Citation:
Assignee:
Nisshin Steel Co., Ltd.
International Classes:
B21D19/12; F16L9/02; B21C37/15; B21D53/84
Domestic Patent References:
| JP2000288626A | ||||
| JP58125323A | ||||
| JP2000343238A |
Attorney, Agent or Firm:
Okada Manri