Title:
A manufacturing method of a high frequency welded steel tube
Document Type and Number:
Japanese Patent JP6020491
Kind Code:
B2
Inventors:
Shuichi Sato
Application Number:
JP2014041420A
Publication Date:
November 02, 2016
Filing Date:
March 04, 2014
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B23K13/08; B21C37/08; B23K13/00; B23K13/02
Domestic Patent References:
| JP61216873A | ||||
| JP9295163A | ||||
| JP9304187A | ||||
| JP6239734A | ||||
| JP57139479A | ||||
| JP60121086A | ||||
| JP5104257A | ||||
| JP5261564A | ||||
| JP20137112A |
Attorney, Agent or Firm:
Shigeru Inoue
Kazuhiro Mori
Kazuhiro Mori
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