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Yoshihiko SAITO
YUKIKEN Snow Eaters Co., Ltd., [Japan]
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Masaya OTSUKI
YUKIKEN Snow Eaters Co., Ltd., [Japan]
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Kouichi NISHIMURA
YUKIKEN Snow Eaters Co., Ltd., [Japan] Emeritus professor of Nagoya University [Japan]
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Masaru MATSUZAWA
Civil Engineering Research Institute for Cold Region, PWRI, [Japan]