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*Yoshihisa Kimoto
Osaka Municipal Technical Research Institute
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Toru Nagaoka
Osaka Municipal Technical Research Institute
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Hiroyuki Watanabe
Osaka Municipal Technical Research Institute
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Masao Fukusumi
Osaka Municipal Technical Research Institute
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Yoshiaki Morisada
Joining and Welding Research Institute, Osaka University
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Hidetoshi Fujii
Joining and Welding Research Institute, Osaka University