Title:
丸パイプへの円筒状裏当金部材の溶接方法及び溶接装置
Document Type and Number:
Japanese Patent JP4453989
Kind Code:
B2
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Inventors:
Tatsuo Wataya
Muide Takeichiro
Yoshihiro Toi
Muide Takeichiro
Yoshihiro Toi
Application Number:
JP2000041448A
Publication Date:
April 21, 2010
Filing Date:
February 15, 2000
Export Citation:
Assignee:
Komatsu Engineering Co., Ltd.
International Classes:
B23K37/053; B23K9/028; B23K37/06
Domestic Patent References:
| JP52071357A | ||||
| JP7033486U | ||||
| JP10180467A | ||||
| JP7021281U | ||||
| JP8267293A |
Attorney, Agent or Firm:
Takahisa Kimura