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Masaaki HIGUCHI
Fukuyama Works, Nippon Kokan K.K.
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Motohiko IIZUKA
Fukuyama Works, Nippon Kokan K.K.
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Koichi KURODA
Fukuyama Works, Nippon Kokan K.K.
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Tsunenori SUGAWARA
Construction Division, Nippon Kokan K.K.
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Minoru IKEDA
Construction Division, Nippon Kokan K.K.