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*Kai KAWASUMI
Joining and Welding Research Institute Osaka University
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Rintaro UEJI
Joining and Welding Research Institute Osaka University
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Yoshiaki MORISADA
Joining and Welding Research Institute Osaka University
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Masayoshi KAMAI
Joining and Welding Research Institute Osaka University
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Hidetoshi FUJII
Joining and Welding Research Institute Osaka University