Title:
パイプの溶接方法
Document Type and Number:
Japanese Patent JP4089046
Kind Code:
B2
Inventors:
Shuhei Yamaguchi
Kotaro Watanabe
Kazumi Sugiyama
Kotaro Watanabe
Kazumi Sugiyama
Application Number:
JP30414998A
Publication Date:
May 21, 2008
Filing Date:
October 26, 1998
Export Citation:
Assignee:
Aisin Seiki Co., Ltd.
International Classes:
B21D39/20; B23K9/028; B23K33/00
Domestic Patent References:
| JP9182923A | ||||
| JP63011120B1 | ||||
| JP3072183U | ||||
| JP63154888U | ||||
| JP7178585A | ||||
| JP54087647A | ||||
| JP6238440A |