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*Takuya NAGAI
Shinko Welding Service Co., Ltd.
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Tetsuo SUGA
Shinko Welding Service Co., Ltd.
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Ryu KASAI
Shinko Welding Service Co., Ltd.
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Kunika UENO
Tosei Electrobeam Co., Ltd.
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Minoru SHINDO
Tosei Electrobeam Co., Ltd.
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Masahito MOCHIZUKI
Osaka University