Title:
接合用パイプ材の接合部及びこの接合部の加工方法
Document Type and Number:
Japanese Patent JP4693860
Kind Code:
B2
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Inventors:
Toshihiro Ishii
Application Number:
JP2008094821A
Publication Date:
June 01, 2011
Filing Date:
April 01, 2008
Export Citation:
Assignee:
Keiyo Bend Co., Ltd.
International Classes:
B23K33/00; B21D41/04; B23K9/028; B23K9/235; B23K101/06
Domestic Patent References:
| JP2005118794A | ||||
| JP52049948A | ||||
| JP61212472A | ||||
| JP48035138B1 |
Attorney, Agent or Firm:
Taichi Chiba