長谷川 正義, 山口 陽輔, 海野 輝, 古川 ゆみ, 浅田 一吉, 小澤 泰裕
溶接学会論文集
31
(1),
75-79,
2013
The purpose of this study is joining main and branch gas pipes by friction welding without digging a paved road. By this development, only making a hole at vertical side of the paved road, the …
DOI
