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Hiroki Matsushita
Civil Engineering Research Institute for Cold Region, Public Works Res. Inst.
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*Masaya Otsuki
Yukiken Snow-eaters Co., Ltd.
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masaru Matsuzawa
Civil Engineering Research Institute for Cold Region, Public Works Res. Inst.
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Osamu Sakase
Civil Engineering Research Institute for Cold Region, Public Works Res. Inst.
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Hiroshi Nakamura
Civil Engineering Research Institute for Cold Region, Public Works Res. Inst.
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Yoshihiko Saito
Yukiken Snow-eaters Co., Ltd.