Title:
継目無鋼管の縮径圧延方法
Document Type and Number:
Japanese Patent JP5765190
Kind Code:
B2
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Inventors:
Hiroyuki Takai
Application Number:
JP2011238518A
Publication Date:
August 19, 2015
Filing Date:
October 31, 2011
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B21B17/14; B21B27/02
Domestic Patent References:
| JP7051707A | ||||
| JP7016615A | ||||
| JP10277608A | ||||
| JP2000334504A | ||||
| JP2005014032A | ||||
| JP2008221250A |
Attorney, Agent or Firm:
Kenichiro Ochiai
Eiichi Kobayashi
Eiichi Kobayashi
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